Properties of the Number 91086

Ninety-One Thousand Eighty-Six

Basics

Value: 91085 → 91086 → 91087

Parity: even

Prime: No

Previous Prime: 91081

Next Prime: 91097

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 17 × 19 × 47

Divisors: 1, 2, 3, 6, 17, 19, 34, 38, 47, 51

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001111001110

Octal: 261716

Duodecimal: 44866

Hexadecimal: 163ce

Square: 8296659396

Square Root: 301.8045725299734

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 special sums of integer partitions of n. A304796

a(n) = ∑_{1 <= x₁, x₂ <= n} σ( n/gcd(x₁, x₂, n) ). A373129

(Terms in A029613)/2. A51435

a(n) = A000975(n) mod 10. A91086