Properties of the Number 22557

Twenty-Two Thousand Five Hundred Fifty-Seven

Basics

Value: 22556 → 22557 → 22558

Parity: odd

Prime: No

Previous Prime: 22549

Next Prime: 22567

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 73 × 103

Divisors: 1, 3, 73, 103, 219, 309, 7519, 22557

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100000011101

Octal: 54035

Duodecimal: 11079

Hexadecimal: 581d

Square: 508818249

Square Root: 150.18987981884797

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 k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 100. A31598

Numbers n which are concatenations n=x//y such that x²+y³ is a multiple of n. A162464

Number of n X 2 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A280174

Indices of records in A361321. A361326

a(n) is the least k such that the concatenations of kⁱ, i=0..j, are prime for j from 1 to n. A376027

Degeneracies of entanglement witness eigenstates for n spin 4 irreducible representations. A272393

Numbers that are not the sum of a square and 2 nonnegative cubes. A22557