Properties of the Number 22356

Twenty-Two Thousand Three Hundred Fifty-Six

Basics

Value: 22355 → 22356 → 22357

Parity: even

Prime: No

Previous Prime: 22349

Next Prime: 22367

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁵ × 23

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 23, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011101010100

Octal: 53524

Duodecimal: 10B30

Hexadecimal: 5754

Square: 499790736

Square Root: 149.51922953252534

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

a(n) = |1³ - 2³ + 3³ - 4³ + ... + (-1)ⁿ⁺¹*n³|. A11934

Number of divisors of 240ⁿ. A103532

Numbers m such that prime(m) + Fibonacci(m) is prime. A50180

Integers k such that k·28·c + 1 is prime for c = 1, 2, 4, 7 and 14. A67199

Discriminants of totally real cubic fields with 3 associated nonconjugate fields. A329787

Triangle T(n, k) = [x^k]( p(n,x) ), where p(n, x) = ∑_k=1..n A001263(n,k)*binomial(x+k -1, n-1), read by rows. A168391

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 81", based on the 5-celled von Neumann neighborhood. A270100

Sum of squares of the multiplicities of pairwise distances among the vertices of a regular n-gon. A387858

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (0, 0, 1), (1, 0, -1), (1, 1, -1)}. A148864

Numbers k such that (29·10^k + 91)/3 is prime. A269797