Properties of the Number 68138

Sixty-Eight Thousand One Hundred Thirty-Eight

Basics

Value: 68137 → 68138 → 68139

Parity: even

Prime: No

Previous Prime: 68113

Next Prime: 68141

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 × 31 × 157

Divisors: 1, 2, 7, 14, 31, 62, 157, 217, 314, 434

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101000101010

Octal: 205052

Duodecimal: 33522

Hexadecimal: 10a2a

Square: 4642787044

Square Root: 261.03256501823677

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

a(n) = 10·a(n-1) - a(n-2), starting with a(0) = 2 and a(1) = 10. A87799

Primes in the mirror concatenation of primes without reversal. A68138