Properties of the Number 81350

Eighty-One Thousand Three Hundred Fifty

Basics

Value: 81349 → 81350 → 81351

Parity: even

Prime: No

Previous Prime: 81349

Next Prime: 81353

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 ² × 1627

Divisors: 1, 2, 5, 10, 25, 50, 1627, 3254, 8135, 16270

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011110111000110

Octal: 236706

Duodecimal: 3B0B2

Hexadecimal: 13dc6

Square: 6617822500

Square Root: 285.21921393903324

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

Numbers k such that 5·3^k + 2 is prime. A58590

Number of 4 X n 0..1 arrays avoiding 0 0 1 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically. A207255

First column in maze array of natural numbers A081349. A81350

Number of (n+5) X 10 0..1 matrices with each 6 X 6 subblock idempotent. A224574