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 A^2 = B^3 + C^3
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 smallest integer whose first n multiples all contain a 3
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 Set {2,b,c,d,e} such that the product of any two of them increased by 1 is a square
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Monthly Archives: November 2013
A^5 + B^5 + C^5 = X^5 + Y^5 + Z^5 (Part 2)
A^5 + B^5 + C^5 = X^5 + Y^5 + Z^5 A + B + C = X + … Continue reading
Sequence 3, 23, 229, 2869, 43531
2^2 – 1^1 = 3 is … Continue reading
Concatenation  X^2 = A  A  B
(1) 1429^2 = 2042041 = 204  204  1 2729^2 = 7447441 = 744  744  1 (2) 2329^2 + 1 = 5424242 … Continue reading
Num3er 1429
1429 is a prime number. 1429 = 2*3^6 – 29 1427 and 1429 form a twin prime pair. 2*1429 – 1 = 2857 is a prime number. 2*1429 + 3 = 2861 is a prime number. … Continue reading
Num3er 12600
12600 has 72 divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 … Continue reading
Num3er 27720
27720 has 96 divisors: 1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 21 22 … Continue reading
Word Puzzle – find the words for… #WordPlay
#1 Human body 3letter words: arm, ear, eye, gut, hip, jaw, leg, lip, rib, toe 4letter words: arch, back, ball (foot), bone, butt, calf, … Continue reading
On the perfect size for a pizza
Eugenia Cheng, a mathematician with the University of Sheffield in the UK, turned her considerable skills toward the noble pursuit of figuring out a formula for creating the perfect pizza. She shares her results in a paper titled: On … Continue reading
Conjecture Twin Primes
A twin prime is a prime number that differs from another prime number by two. List of twin primes {p, p+2} (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), … Continue reading
Pattern Find the missing number
3 5 6 8 … Continue reading
Posted in Math Beauty, Number Puzzles
Tagged Digit missing, Missing Number, Patterns
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