Properties of the Number 91599

Ninety-One Thousand Five Hundred Ninety-Nine

Basics

Value: 91598 → 91599 → 91600

Parity: odd

Prime: No

Previous Prime: 91591

Next Prime: 91621

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 19 × 1607

Divisors: 1, 3, 19, 57, 1607, 4821, 30533, 91599

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010111001111

Octal: 262717

Duodecimal: 45013

Hexadecimal: 165cf

Square: 8390376801

Square Root: 302.6532669574211

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 of n such that if the length is k then k is not a part. A229816

G.f.: A(x) = ∏_n>=1 1/(1 - G_n(x)ⁿ) where G(x) = x+x² and G_n(x) denotes the n-th iteration of G(x): G_n(x) = G_n-1(G(x)) with G₀(x)=x. A182968

Triangle read by rows: T(n,k) is the number of nonseparable planar maps with r·n edges and a fixed outer face of r·k edges which are invariant under a rotation of 1/r for any r >= 2 (independent of actual value of r). A91599