Properties of the Number 81373

Eighty-One Thousand Three Hundred Seventy-Three

Basics

Value: 81372 → 81373 → 81374

Parity: odd

Prime: Yes

Previous Prime: 81371

Next Prime: 81401

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 81373

Divisors: 1, 81373

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110111011101

Octal: 236735

Duodecimal: 3B111

Hexadecimal: 13ddd

Square: 6621565129

Square Root: 285.2595309538316

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

Primes of the form n³ + n² + 17, for nonnegative values of n. A50266

Wiener index of a benzenoid consisting of a chain of n hexagons characterized by the encoding s = 1133 (see the Gutman et al. reference, Sec. 5). A193399

Primes of the form (2·k³ + 3·k² + k - 12)/6. A178608

Prime numbers containing the digit string 137. A190307

Primes in A284798. A372770

Number of values of k, 1 <= k <= n, with φ(k) = φ(n), where φ is Euler totient function, A000010. A81373