Properties of the Number 12155

Twelve Thousand One Hundred Fifty-Five

Basics

Value: 12154 → 12155 → 12156

Parity: odd

Prime: No

Previous Prime: 12149

Next Prime: 12157

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 11 × 13 × 17

Divisors: 1, 5, 11, 13, 17, 55, 65, 85, 143, 187

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111101111011

Octal: 27573

Duodecimal: 704B

Hexadecimal: 2f7b

Square: 147744025

Square Root: 110.24971655292362

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

Numerators in expansion of 1/sqrt(1-x). A1790

Triangle of coefficients of Legendre polynomials P_n (x). A8316

Triangle of coefficients of normalized Legendre polynomials, with increasing exponents. A100258

Squarefree part of n!: n! divided by its largest square divisor. A55204

Number of strict integer partitions with sum <= n that can be linearly combined using nonnegative coefficients to obtain n. A365311

Nearest integer to (n/2)⁴. A11863

Numbers k such that 19^k - 2 is a prime. A128460

a(n) = A019565(A005187(n)). A283475

a(n) = floor((n + 1/2)⁴). A219086

Number of compositions of n into 5 ordered relatively prime parts. A743