Properties of the Number 12956

Twelve Thousand Nine Hundred Fifty-Six

Basics

Value: 12955 → 12956 → 12957

Parity: even

Prime: No

Previous Prime: 12953

Next Prime: 12959

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 41 × 79

Divisors: 1, 2, 4, 41, 79, 82, 158, 164, 316, 3239

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001010011100

Octal: 31234

Duodecimal: 75B8

Hexadecimal: 329c

Square: 167857936

Square Root: 113.82442620105756

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

a(n) = a(n-1) + ∑_k=0..n/3 a(n-3k) with a(0)=1. A113435

Number of vertices among all distinct circles that can be constructed from a 2·n square grid of points using only a compass. A359859

Long legs of primitive Pythagorean triples (a,b,c) for which 2a+1, 2b+1 and 2c+1 are primes. A165237

Numbers k such that k and k+1 are both hoax numbers (A019506). A329935

Third row of A113435. A113438

Number of 2-step one or two space at a time rook's tours on an n X n board summed over all starting positions. A187287

Number of length n+5 0..1 arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms. A250074

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 517", based on the 5-celled von Neumann neighborhood. A272732

Number of 2 X n 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0 or 2 neighboring 1s. A297339

Least common multiple of prime(n+1)+1 and prime(n)+1. A309772