Properties of the Number 11256

Eleven Thousand Two Hundred Fifty-Six

Basics

Value: 11255 → 11256 → 11257

Parity: even

Prime: No

Previous Prime: 11251

Next Prime: 11257

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 7 × 67

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111111000

Octal: 25770

Duodecimal: 6620

Hexadecimal: 2bf8

Square: 126697536

Square Root: 106.09429767899876

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

Triangle of numbers related to triangle A049375; generalization of Stirling numbers of second kind A008277, Lah-numbers A008297... A49385

Triangle T(n,k), read by rows, given by [0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, ...] δ [1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, ...] where δ is the operator defined in A084938. A89949

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 1 0 vertically. A207938

Number A(n,k) of singular vector tuples for a general k-dimensional {n}^k tensor; square array A(n,k), n>=1, k>=1, read by antidiagonals. A284308

Positive numbers that are not the sum of two squares and a positive Fibonacci number. A115176

Triangle read by rows: T(n,k) is the number of rooted toroidal maps with n edges and k faces and without separating cycles or isthmuses, n >= 2, k = 1..n-1. A343090

Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k cycles that are either nonincreasing or of length 1 (0<=k<=n). A cycle (b(1), b(2), ...) is said to be increasing if, when written with its smallest element in the first position, it satisfies b(1) < b(2) < b(3) < ... . A186759

Number of singular vector tuples for a general n X n X n tensor. A271905

Number of rooted toroidal maps with 2 faces and n vertices and without separating cycles or isthmuses. A6422

Number of degree 2 vertices in the n-Menger sponge graph. A367700