Properties of the Number 18088

Eighteen Thousand Eighty-Eight

Basics

Value: 18087 → 18088 → 18089

Parity: even

Prime: No

Previous Prime: 18077

Next Prime: 18089

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 7 × 17 × 19

Divisors: 1, 2, 4, 7, 8, 14, 17, 19, 28, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100011010101000

Octal: 43250

Duodecimal: A574

Hexadecimal: 46a8

Square: 327175744

Square Root: 134.49163542763543

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

Number of compositions of n whose distinct parts are pairwise coprime, where a singleton is not considered coprime unless it is (1). A337665

Fibonacci sequence beginning 0, 7. A22090

Numbers which are the sum of two positive cubes and divisible by 17. A99178

Numbers that take a record number of steps to appear in A181391. A171863

a(n) = 840*(2·n)!/((n + 4)!*n!). A348893

Perimeters of more than one primitive Pythagorean triangle. A24408

Smallest number with persistence n for the sort-and-subtract-sequence. A65641

a(n) = (3·n+1)*(3·n+4). A85001

Number of ways to select a subset s from an n-set and then partition s into blocks of equal size. A262320

Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-6). A23436