Properties of the Number 12641

Twelve Thousand Six Hundred Forty-One

Basics

Value: 12640 → 12641 → 12642

Parity: odd

Prime: Yes

Previous Prime: 12637

Next Prime: 12647

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 12641

Divisors: 1, 12641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000101100001

Octal: 30541

Duodecimal: 7395

Hexadecimal: 3161

Square: 159794881

Square Root: 112.43220179290273

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

First term of balanced prime quartets: p(m+1)-p(m) = p(m+2)-p(m+1) = p(m+3)-p(m+2). A54800

Initial prime in set of 4 consecutive primes with common difference 6. A33451

Primes of the form j² + (j+1)². A27862

a(n) = 8·n² - 4·n + 1. A80856

Primes p such that p, p+6, p+12, p+18 are all primes. A23271

Number of integer partitions of n whose weak run-sums cover an initial interval of nonnegative integers. A353863

Least k>p such that (kp)³ divides (p-1)^kp²+1 for prime p = A000040(n). A128677

Mountain primes. A134951

Primes such that the sum of the predecessor and successor primes is divisible by 43. A113158

Primes p such that p²+p-1 and p²+p+1 are twin primes. A88483