Properties of the Number 18151

Eighteen Thousand One Hundred Fifty-One

Basics

Value: 18150 → 18151 → 18152

Parity: odd

Prime: No

Previous Prime: 18149

Next Prime: 18169

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 2593

Divisors: 1, 7, 2593, 18151

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011011100111

Octal: 43347

Duodecimal: A607

Hexadecimal: 46e7

Square: 329458801

Square Root: 134.72564715005083

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 (ordered partitions) of n where no pair of adjacent part sizes is relatively prime. A178470

Number of connected ordered 2-element multiantichains on a labeled n-set. A94729

a(n) = a(n-1) + a(n-3) + a(n-4), n >= 4, with initial terms 2,5,4,7. A111570

Number of n X 2 0..1 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing. A223764

The successive approximations up to 2ⁿ for the 2-adic integer 7^1/5. A325894

a(n) is the number of edges formed by n-secting the angles of a heptagon. A335759

Number of nondecreasing integer sequences of length 22 with sum zero and sum of absolute values 2n. A158156

Numbers k such that 2^{3^j} == 1 (mod k) for some j. A318688

Number of positive integers <= 2ⁿ of form x² + 8 y². A54152

Number of permutations of 1..n containing the relative rank sequence { 145326 } at any spacing. A159115