Properties of the Number 12929

Twelve Thousand Nine Hundred Twenty-Nine

Basics

Value: 12928 → 12929 → 12930

Parity: odd

Prime: No

Previous Prime: 12923

Next Prime: 12941

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 × 1847

Divisors: 1, 7, 1847, 12929

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001010000001

Octal: 31201

Duodecimal: 7595

Hexadecimal: 3281

Square: 167159041

Square Root: 113.70576062803502

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

Numbers that are the sum of five fourth powers in three or more ways. A344243

Numbers that are the sum of five fourth powers in exactly three ways. A344244

Number T(n,k) of permutations p of [n] such that min_j=1..n |p(j)-j| = k; triangle T(n,k), n >= 0, 0 <= k <= floor(n/2), read by rows. A299789

a(n) = 384·n + 257. A229855

Irregular array where the n-th row are the divisors, not occurring earlier in the sequence, of the sum of the terms in all previous rows. a(1)=2. A120576

Numbers k such that ∑_j=1..k φ(j)^j == 0 (mod k). A229209

Floor(r·a(n-1)) - floor(r·a(n-2)), where r = 3/2, a(0) = 1, a(1) = 1. A275865

a(n) is the number of vertices formed by n-secting the angles of an octagon. A335770

a(n) = ∑_{1 <= i <= j <= k <= n} gcd(i,j,k). A344521

Number of partitions of (2, n) into a sum of distinct pairs. A268345