Properties of the Number 91239

Ninety-One Thousand Two Hundred Thirty-Nine

Basics

Value: 91238 → 91239 → 91240

Parity: odd

Prime: No

Previous Prime: 91237

Next Prime: 91243

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 17 × 1789

Divisors: 1, 3, 17, 51, 1789, 5367, 30413, 91239

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010001100111

Octal: 262147

Duodecimal: 44973

Hexadecimal: 16467

Square: 8324555121

Square Root: 302.0579414615679

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 partitions p of n such that (number of numbers of the form 3k+2 in p) is a part of p. A241548

First term of n-th difference sequence of (floor(k·r)), r = sqrt(1/2), k >= 0. A325729

a(n) = floor(log(5)ⁿ). A14216

Smallest GF2X-Matula number i which encodes a tree of n nodes, i.e., for which A091238(i) = n. A91239