Properties of the Number -12256

Twelve Thousand Two Hundred Fifty-Six

Basics

Value: -12257 → -12256 → -12255

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 383

Divisors: 1, 2, 4, 8, 16, 32, 383, 766, 1532, 3064

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111111100000

Octal: -27740

Duodecimal: -7114

Hexadecimal: -2fe0

Square: 150209536

Square Root: 110.70682002478438

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 k such that k, k + 1 and k + 2 are 3 consecutive Harshad numbers. A154701

Number A(n,k) of permutations p of [n] such that the up-down signature of 0,p has nonnegative partial sums with a maximal value <= k; square array A(n,k), n>=0, k>=0, read by antidiagonals. A262163

Composites whose prime factorization in base 3 is an anagram of the number in base 3. A260047

Number of polyforms with n cells on the faces of a pentagonal hexecontahedron up to rotation. A383786

G.f.: 1 + ∑_n>=1 a(n)*xⁿ/(1 - xⁿ) = ∏_n>=1 (1 + n·xⁿ). A300278

The number of regions inside a concave circular triangle formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. A340685

McKay-Thompson series of class 5A for the Monster group. A7251

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 5. A252500

Number of ways to choose three distinct points from a 5 X n grid so that they form an isosceles triangle. A271915

a(n) = n*(n + 5)*(n + 7)/6 + 1. A323221