Properties of the Number 81382

Eighty-One Thousand Three Hundred Eighty-Two

Basics

Value: 81381 → 81382 → 81383

Parity: even

Prime: No

Previous Prime: 81373

Next Prime: 81401

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 5813

Divisors: 1, 2, 7, 14, 5813, 11626, 40691, 81382

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110111100110

Octal: 236746

Duodecimal: 3B11A

Hexadecimal: 13de6

Square: 6623029924

Square Root: 285.2753056259865

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 whose base-5 representation has exactly 8 runs. A43608

a(1) = 1, for n > 1 a(n) = Min{x > n, A008472(x) = A008472(n)}. A81382