Properties of the Number 78139

Seventy-Eight Thousand One Hundred Thirty-Nine

Basics

Value: 78138 → 78139 → 78140

Parity: odd

Prime: Yes

Previous Prime: 78137

Next Prime: 78157

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 78139

Divisors: 1, 78139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011000100111011

Octal: 230473

Duodecimal: 39277

Hexadecimal: 1313b

Square: 6105703321

Square Root: 279.5335400269528

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 5ⁿ+13+1. A104046

Smallest prime that is the sum of prime(n) consecutive primes. A82277

Primes of the form 5^k + 2·k. A303091

Primes which cannot be written as sum of squares>1. A78139

Primes that can be expressed as p^k+2·k where p is prime and k >= 1. A339692