Properties of the Number 22489

Twenty-Two Thousand Four Hundred Eighty-Nine

Basics

Value: 22488 → 22489 → 22490

Parity: odd

Prime: No

Previous Prime: 22483

Next Prime: 22501

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 43 × 523

Divisors: 1, 43, 523, 22489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101011111011001

Octal: 53731

Duodecimal: 11021

Hexadecimal: 57d9

Square: 505755121

Square Root: 149.96332885075606

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

MM-numbers of crossing, capturing multiset partitions (with empty parts allowed). A326259

Numbers k such that σ(k+1) = 2*φ(k). A67260

Triangle read by rows: T(n,k) is the number of permutations p of [n] such that the number of inversions of the word formed by the leading entries of the blocks of p is k. A block of a permutation is a maximal sequence of consecutive integers which appear in consecutive positions. For example, the permutation 5412367 has 4 blocks: 5, 4, 123, and 67; their leading entries are 5,4,1, and 6 and the word 5416 has 3 inversions. A186372

An upper bound for linearized chord diagrams. A22489