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You must register or log in to post a message.   Somethings is wrong with him... Also garygoh said 12, so it's wron, you had to restart at 23...    25     If a number is divisible by 11, reversing its digits will result in another multiple of 11. Because it has a reciprocal of unique period length among primes, 11 is the second unique prime. 11 goes into 99 exactly 9 times, so vulgar fractions with 11 in the denominator have two digit repeating sequences in their decimal expansions. Multiples of eleven by one-digit numbers all have matching double digits: 00 (=0), 11, 22, 33, 44, etc. Bob Dorough, in his Schoolhouse Rock song "The Good Eleven", called them "Double-digit doogies" (soft g). Eleven is the Aliquot sum of one number, the discrete semiprime 21 and is the base of the 11-aliquot tree. As 11 is the smallest factor of the first eleven terms of the Euclid–Mullin sequence, it is the twelfth term. An eleven-sided polygon is called a hendecagon or undecagon. In both base 6 and base 8, the smallest prime with a composite sum of digits is 11. Any number b+1 is written as "11b" in base b, so 11 is trivially a palindrome in base 10. Howeve (If you don't know the reference, pretend I never said that. I mean 9.)   | GeneralFirst post of the topic Rules: You can only post one number in each message. No doubleposts. When you missed a number, you go back to the last correct number, example: 1 2 3 3 Next count should be 4 NOT 5. Not only direct, but also indirect RIGHT numbers count as one number. As long as it implies that number. If an admin posts and the number is higher than 0 it's an automatic 0. Else they reduce one point. Members do the opposite thing. List of special members: Chris3000: Adds 2. Treazer: Subtract 3. Gameinsky: Subtract 4. People get these by being a multiple of the 10 000th post. Here is the list of valid admins: Allyally Asforien Burfy Captain_404 Cheese9 Coolguy52 DemonicYoshi Doomlord Elizea Ferrari12 Gameinsky Geckojsc Gundu Hexicube Jasperpostema Jos JP Kiethy342 Martinfrakongsberg Minmay Nelson90 Oh_bebe Oldmtnguy Pof Shiro SimonM THeNiNJa Tonypa Treazer Wouter Xile Current Record: 1896 |
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