Properties of the Number 68231

Sixty-Eight Thousand Two Hundred Thirty-One

Basics

Value: 68230 → 68231 → 68232

Parity: odd

Prime: No

Previous Prime: 68227

Next Prime: 68239

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 31 ² × 71

Divisors: 1, 31, 71, 961, 2201, 68231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000101010000111

Octal: 205207

Duodecimal: 3359B

Hexadecimal: 10a87

Square: 4655469361

Square Root: 261.21064296846714

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 n such that 9·10ⁿ + 2·R_n + 1 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A103094

Primes congruent to 11 mod 12. A68231

Composite numbers k such that the multiplicative order of 2 modulo lpf(2^k-1) is k, where lpf = least prime factor. A350381