Properties of the Number -12155

Twelve Thousand One Hundred Fifty-Five

Basics

Value: -12156 → -12155 → -12154

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

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

Today's Target

2196 Try Today's Challenge

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

Expansion of 1/(1-x*(1-6·x)). A145934

Array read by ascending antidiagonals: A(n,k) = numerator(binomial(n-1/2,k)) with k >=0. A381059

Array of coefficients a(k,n) of the formal power series A(k,x) read by upwards antidiagonals, where A(k,x) = ((2·k+1)*x+sqrt(1+4·k*(k+1)*x²))/(1-x²), k>=0. A277930

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