Properties of the Number 85138

Eighty-Five Thousand One Hundred Thirty-Eight

Basics

Value: 85137 → 85138 → 85139

Parity: even

Prime: No

Previous Prime: 85133

Next Prime: 85147

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 42569

Divisors: 1, 2, 42569, 85138

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110010010010

Octal: 246222

Duodecimal: 4132A

Hexadecimal: 14c92

Square: 7248479044

Square Root: 291.78416680827627

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 A(n,k) of 2-colorings of a k X n rectangle such that no nontrivial subsquare has monochromatic corners; square array A(n,k), n>=0, k>=0, read by antidiagonals. A255256

Number of 2-colorings of a 4 X n rectangle such that no nontrivial subsquare has monochromatic corners. A255255

Number of (n+1) X 4 binary arrays with every 2 X 2 subblock commuting with each of its horizontal and vertical 2 X 2 subblock neighbors. A186456

Number of 2-colorings of a 5 X n rectangle such that no nontrivial subsquare has monochromatic corners. A255262

Decimal expansion of largest "base 10" Stoneham number. A85138