Properties of the Number 68281

Sixty-Eight Thousand Two Hundred Eighty-One

Basics

Value: 68280 → 68281 → 68282

Parity: odd

Prime: Yes

Previous Prime: 68279

Next Prime: 68311

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 68281

Divisors: 1, 68281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000101010111001

Octal: 205271

Duodecimal: 33621

Hexadecimal: 10ab9

Square: 4662294961

Square Root: 261.3063336392748

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

Number of compositions of n into a sum of odd primes. A2124

Numbers k such that 35·2^k+1 is prime. A32367

Primes that are the sum of 101 consecutive primes. A215993

a(n) = a(n-1) + a(n-2) + a([(n+1)/2]), where a(0) = 1, a(1) = 1, a(2) = 1. A298348

6 consecutive primes differ by 2n or more starting at a(n). A54689

1/14 the number of colorings of an n X n rhombic hexagonal array with 14 colors. A68281