Properties of the Number 22561

Twenty-Two Thousand Five Hundred Sixty-One

Basics

Value: 22560 → 22561 → 22562

Parity: odd

Prime: No

Previous Prime: 22549

Next Prime: 22567

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 11 × 293

Divisors: 1, 7, 11, 77, 293, 2051, 3223, 22561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100000100001

Octal: 54041

Duodecimal: 11081

Hexadecimal: 5821

Square: 508998721

Square Root: 150.2031957050182

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) = (-6·n⁷ + 154·n⁶ - 1533·n⁵ + 7525·n⁴ - 18879·n³ + 22561·n² - 7302·n + 2520)/2520. A161710

Numbers n such that n¹⁰+10 is prime. A239347

E.g.f. A(x) satisfies: A(x) = sin(x) + cos(x)*A(x)² with A(0)=1. A318599

Expansion of 1/((1-x)(1-3x)(1-5x)(1-9x)). A21454

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 283", based on the 5-celled von Neumann neighborhood. A271119

Number of tree interval posets of permutations of size n, considered up to isomorphism. A373456

Multiplicity of highest weight (or singular) vectors associated with character chi₁₁₈ of Monster module. A34506

Partial sums of A051941. A136105

The sequence denoted by a_n used in the calculation of A323260. A323262

Numbers that are not the sum of 3 nonnegative cubes. A22561