Properties of the Number 12846

Twelve Thousand Eight Hundred Forty-Six

Basics

Value: 12845 → 12846 → 12847

Parity: even

Prime: No

Previous Prime: 12841

Next Prime: 12853

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 2141

Divisors: 1, 2, 3, 6, 2141, 4282, 6423, 12846

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11001000101110

Octal: 31056

Duodecimal: 7526

Hexadecimal: 322e

Square: 165019716

Square Root: 113.34019587066187

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

Coordination sequence for (3,3,6) tiling of hyperbolic plane. A265073

Triangle read by rows: T(n,k) = number of permutations of length n with exactly k rising or falling successions, for n >= 1, 0 <= k <= n-1. A1100

Numbers which are the sum of their proper divisors containing the digit 4. A59463

Number of permutations of length n with exactly 2 rising or falling successions. A86853

Row sums of triangle A134141 (S1p(7)). A132164

a(0) = a(1) = 1; thereafter a(n) = σ(a(n-1)) + σ(a(n-2)). A458

a(0) = 1, a(n) = 19·n² + 2 for n>0. A10009

a(n) = 2ⁿ - A056045(n). A56200

Number of arrays of 4 nondecreasing integers in -n..n with sum zero and equal numbers greater than zero and less than zero. A203292

Numbers k whose decimal expansion can be split into at least two parts whose binary equivalents can be concatenated (in the same order) to form the binary expansion of the original number k. A237041