Properties of the Number 22372

Twenty-Two Thousand Three Hundred Seventy-Two

Basics

Value: 22371 → 22372 → 22373

Parity: even

Prime: No

Previous Prime: 22369

Next Prime: 22381

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 × 17 × 47

Divisors: 1, 2, 4, 7, 14, 17, 28, 34, 47, 68

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011101100100

Octal: 53544

Duodecimal: 10B44

Hexadecimal: 5764

Square: 500506384

Square Root: 149.57272478630588

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 n such that n!10-1 is prime. A204658

Numbers that are the sum of seven fourth powers in exactly six ways. A345828

Fixed points of the permutation A125987/A125988. A126298

a(n) = ∑_k=n+1..2·n T(n, k), T given by A027023. A27045

Row sums of triangle A141210. A141211

Sum of the odd parts in the partitions of n into 9 parts. A309657

Irregular table read by rows: The number of k-faced polyhedra, where k >= 4, created when an n-bipyramid, formed from two n-gonal pyraminds joined at the base, is internally cut by all the planes defined by any three of its vertices. A338825

Fibonacci sequence beginning 2, 20. A22372

Number of length n+5 0..3 arrays with at most one downstep in every n consecutive neighbor pairs. A258735