Properties of the Number 87931

Eighty-Seven Thousand Nine Hundred Thirty-One

Basics

Value: 87930 → 87931 → 87932

Parity: odd

Prime: Yes

Previous Prime: 87917

Next Prime: 87943

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 87931

Divisors: 1, 87931

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011101111011

Octal: 253573

Duodecimal: 42A77

Hexadecimal: 1577b

Square: 7731860761

Square Root: 296.5316172012691

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 that are both prime-indexed primes and lucky-indexed lucky numbers. A307008

Primes arising in A073946. A113943

Primes that are arithmetical average of 100 consecutive primes. A217985

Number of walks within N² (the first quadrant of Z²) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, -1), (0, 1), (1, -1), (1, 0), (1, 1)}. A151445

Number of ways of arranging the numbers 1 ... 10n into a 10 X n array so there is exactly one local maximum. A87931