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I Am Fascinated By Prime Numbers

Personal Stories, Advice, and Support 220 People

    Left Trunctable Primes

    As a counterpoint to my story "Right Trunctable Primes", the curious will be satisfied to know there ARE Left Trunctable Primes as well, which are prime numbers that remain prime when the leading digit is removed successively. Here are some: 2, 3, 5, 7, 13, 17, 23, 37, 43, 47, 53...
    freeed freeed 61-65, M 2 Responses Jan 4, 2012

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    The Only 'even' Number That I Like Is 2

    I don't know how I got into the 'prime number thing', but now, when I set my microwave oven or dryer for time, it has to be a prime number. I'm not totally obsessed with prime numbers...they can just be odd numbers; but even number drive me nuts... with the exception of 2, which...
    fishsweeper fishsweeper 51-55, F Apr 23, 2012

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    Ahhh The Number 13, It Always Fascinates Me..

    I love the number 13 as much as people hate it, along with the number 17, wherever i go i use the number 13 in whatever thing i do!!
    brokenwings13 brokenwings13 22-25, M Apr 25, 2011

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    I Think That I Must Have Lost Some IQ Points!

    When I was a kid in both Junior-High and High School, I was tested, and my IQ scores were 165 and 185. I could figure out puzzles and riddles, decipher codes, analyze situations, size up people, and do a plethora of 'brainy' other stuff way back when. Later, I gave birth to 5...
    fishsweeper fishsweeper 51-55, F 5 Responses Apr 29, 2012

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    Anyone Else Solve That Google Riddle To Find The First 10 Digit Prime In E?

    If so, how? I hacked my way through it using microsoft excel (cause I'm not a coder) took a few hours but very fun! http://www.npr.org/templates/story/story.php?storyId=3916173
    dlmolicares dlmolicares 36-40 2 Responses May 4, 2012

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    Does 1910194 Mean Anything To You?

    It appears in the book Japa Yoga by Svami Sivananda and I always wondered what its significance is - the book's context isn't explicit. It would have been cooler if it were 1910191. Neither of these 2 are prime numbers, however. FYI the next smaller number which is prime is...
    freeed freeed 61-65, M 1 Response Apr 16, 2011

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    I AM 177

    I happened on this group by 'accident' (although, in reality, there are really no accidents). Anyway, if I am permitted to join, that would make me no. 177 (another prime number). I am also writing this on Saturday, the seventh day of the week (yet another prime).
    leprechaunz leprechaunz 56-60, M Sep 20, 2013

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    Right Trunctable Primes

    These are strange primes in that, if you successively remove the right-most digit another prime results, BUT even stranger is that if you coninue to do this, every "new [smaller]" number will also be prime. Here's an example: 3797  379   37    3...
    freeed freeed 61-65, M 4 Responses Apr 18, 2010

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    Prime Numbers

    Sieve_of_Eratosthenes_animation.gif‎ (445 × 369 pixels, file size: 154 KB, MIME type: image/gif, looped, 159 frames, 37s)
    WilliamC WilliamC 61-65, M 3 Responses Jan 2, 2012

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    Is 2,904,897 A Prime Number?

    This little trick may win a bar bet someday and it's inexplicable on the surface, so is cool just for that. Well, it's not EVEN, so isn't a multiple of 2, doesn't end in 5, so isn't divisible by 5, but that leaves a lot of ground. In case you forgot, you only have to divide a...
    freeed freeed 61-65, M 10 Responses May 26, 2010

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    I almost became a computer criminal at 17 years

    old because of a fascination with prime numbers. I had just read Rivest Shamir and Adlemans article in the 1979 issue of Scientic American on Nondeterministic Polynomail Time Problems. In it they detail the workings of public key cryptosystems, that are used in your browser...
    deleted deleted 26-30 1 Response Jan 9, 2014

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    73, The Best Number

    My guess is that this has already been posted, but it is a tribute to New Chrissy, nevertheless73 is the best number because:It is the 21st prime number;Its product is 21 (7X3=21);37 is its inverse, which is the 12 prime number12 is the inverse of 21.Dr. Sheldon CooperThis is the...
    Ramrodd Ramrodd 61-65, M Jan 8, 2013

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    Is 59595 A Prime Number?

    No, silly, any number ending in 5 is divisible by 5. Why did this number come up? It's how many EP points I reached as of today and I've always thought "symmetrical numbers" are cool. BTW, is the number of EP points YOU have a prime number?
    freeed freeed 61-65, M Apr 16, 2011

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    All you Prime Number freaks.

    .... What books on the Theory of Numbers have you people liked, from general interest, to textbooks and the like.....
    atenra11 atenra11 46-50, M 2 Responses Nov 4, 2014

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    Why I Love Prime Numbers

    I didn’t always like prime numbers. For Pete’s sake, dividing by 2 is always easier… and 10 is a fabulous number if you’re doing any arithmetical work. I discovered the beauty of prime numbers totally by accident. I inadvertently set a timer for 59 minutes. It just...
    fishsweeper fishsweeper 51-55, F 4 Responses Aug 24, 2012

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    Related Experiences

    I used to work over night in an internet security job. Sometimes my work made me feel like a spy, so I started to listen to numbers stations to entertain myself. They are actually...
    lotusdrum lotusdrum 36-40, F 2 hrs ago

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    As people I think we lose touch with human instinct and we focus more on the behavior that we choose to allude to. There's a fixation of reflecting a perception of your choosing...
    inthyvibe inthyvibe 22-25, F 1 Response 2 days ago

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    I see angel numbers meaning numbers on a clock like 111, 1111, 333, 444 , 555, 1221. 1212. I am not looking on purpose it just happens. Even while looking for street addresses...
    minuet1965 minuet1965 46-50, F 1 Response Mar 7

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    Jalousy. Envy. Definitely. How far are people capable of going because of it. Also I know my English is not perfect, but please don't remind me of that. Some people would even...
    Glorian Glorian 31-35 1 Response Mar 23

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    Ever since I was young, I was fascinated that different people, even in the same family, could behave so differently. I grew up in a large family and saw different behaviors that...
    ProgressivelyCurious ProgressivelyCurious 61-65, M 2 Responses Mar 17

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    I am currently working with elderly people. we have an dementia/Alzheimer's wing at our facility. I have become completely fascinated with a couple I will call the Smiths. he is...
    2batinman 2batinman 46-50, M 7 Responses Mar 18

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    Have you ever seen someone smell something and then look disgusted or even say ew and then they ask someone else to smell it and the other person does and has the same reaction? I...
    SapphicMinion SapphicMinion 26-30, F 6 Responses Mar 21

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    I am fascinated by the paranormal, I grew up in a house that was built in Michigan in the 1860's then moved log by log to Wisconsin. There has always been paranormal activity in...
    foreverrebel87 foreverrebel87 26-30, F 1 Response Mar 23

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    I was thinking. I've only chased one man in my life. The rest of the time I've just made myself available and let them do the chasing. Funny how u realize lil things like that.
    WickedlilAngel WickedlilAngel 31-35, F 1 Response 18 hrs ago

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    "Do they believe in this religion, or is it by habit alone?" - Ramses, Ramses of the Damned, Anne Rice
    abcdefghisabelmnopqrst abcdefghisabelmnopqrst 26-30, F 10 hrs ago

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    On Love That Ignores You, Punxsutawney Phil, And Always Being First. This is a group of verses about no one in particular. I will never mind being first, over the fence...
    diegodlavega diegodlavega 46-50, M 1 Response 8 hrs ago

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    Nobody respecting marriage. Its a paper. An event. An exspense. Has perks. And has become for those perks. Plus abused for more. Makes it a joke today. A...
    convertihd convertihd 46-50, M 5 hrs ago

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    if someone can figure out a cure for the way I feel that would be great!
    Savions Savions 22-25, M 3 hrs ago

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    What the heck is a taboo?????
    NaNaJene NaNaJene 18-21, F 3 Responses 2 hrs ago

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    I'd be extremely grateful if someone could explain the answer to this question for me. It says "potential at points a and b"
    john1818 john1818 18-21, M Mar 3

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    Further to a discussion on another thread l would love to hear at what age people begin to slow down. The age given was 50. It was stated that at 50 there is a lot that can't be...
    2BlossomBlue 2BlossomBlue 51-55, F 34 Responses Mar 3

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    There's a God in us that cannot be quantified.
    Milesfromyou Milesfromyou 36-40, M 4 Responses Mar 3

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    Our eyes locked onto one another with loaded intent. This chemistry is almost spiritual in nature....I only want to melt in your embrace. This is so much more than a casual...
    lavendersea lavendersea 41-45, F 3 Responses Mar 3

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    A friend once said it's useful being able to see how a person wants to see themselves. It's been many years and I'm still just learning what they meant.
    NotTheGumdropButtons NotTheGumdropButtons 22-25 4 Responses Mar 3

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    How much media coverage do you follow? Jeff Brown: "It takes a lot of energy to exaggerate reality, to darken the sky, to shove tragedy in the faces of humanity until we are...
    Injoy1767 Injoy1767 46-50, F 7 Responses Mar 4

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    Love Bombing When It’s Too Good To Be True!!!!! PART ONE This is for all the LADIES!! There is a lot of this going on here on EP! When a narcissist comes into your life...
    rescueme99 rescueme99 41-45 7 Responses Mar 4

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    LOVE BOMBING- FEEDING THE NARCISSIST PART TWO The Narcissist’s Reality Before You Came Into the Picture Let’s start with the background of where the narcissist has come from...
    rescueme99 rescueme99 41-45 8 Responses Mar 4

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    All women want to feel desired. Unless they're hot. Then it's, "you better stop staring at me aready...and following me home...and going through my trash cans..."
    biggunsatx biggunsatx 41-45, M 8 Responses Mar 4

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    I pretend I'm stupid because it's so much fun watching people's reactions
    Fantasy646 Fantasy646 26-30, F 8 Responses Mar 4

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    You would think,that if something is logically sound for human beings,and feels good they would jump to the opportunity to have it.But they don't.They waste their lives on will be...
    aquabunny aquabunny 22-25, F 5 Responses Mar 4

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    Sometimes we have to rid someone from our life and along with cutting ties we have to rid ourselves of everything that was once theres or a part of them!
    WickedlilAngel WickedlilAngel 31-35, F 5 Responses Mar 5

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    Some people feel it's good to tell a lie cos they feel it would hurt me. It hurts the hell to know it was a lie and not what the truth was ..why can't people just speak the truth...
    2015ishere 2015ishere 36-40, F 4 Responses Mar 5

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    Define 'you' and I'll define what goes inside.
    Milesfromyou Milesfromyou 36-40, M 6 Responses Mar 5

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