Properties of the Number 81056

Eighty-One Thousand Fifty-Six

Basics

Value: 81055 → 81056 → 81057

Parity: even

Prime: No

Previous Prime: 81049

Next Prime: 81071

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 17 × 149

Divisors: 1, 2, 4, 8, 16, 17, 32, 34, 68, 136

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110010100000

Octal: 236240

Duodecimal: 3AAA8

Hexadecimal: 13ca0

Square: 6570075136

Square Root: 284.70335438838794

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 2 X 2 matrices having all elements in {0,1,...,n} and determinant = 1 (mod 3). A211034

Number of partitions of 2n+1 in which no parts are multiples of 4. A81056