Properties of the Number 68285

Sixty-Eight Thousand Two Hundred Eighty-Five

Basics

Value: 68284 → 68285 → 68286

Parity: odd

Prime: No

Previous Prime: 68281

Next Prime: 68311

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 × 7 × 1951

Divisors: 1, 5, 7, 35, 1951, 9755, 13657, 68285

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101010111101

Octal: 205275

Duodecimal: 33625

Hexadecimal: 10abd

Square: 4662841225

Square Root: 261.31398737916805

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 ways of pairing the even squares of the numbers 1 to n with the odd squares of the numbers n+1 to 2n such that each pair sums to a prime. a(1) is defined to be 1. A77764

Number of tilings of an 8 X n rectangle using integer-sided rectangular tiles of area 8. A220125

Expansion of 1/((1-4x)(1-6x)(1-7x)(1-9x)). A28131

1/6 the number of colorings of an n X n staggered hexagonal array with 6 colors. A68285