Properties of the Number 87061

Eighty-Seven Thousand Sixty-One

Basics

Value: 87060 → 87061 → 87062

Parity: odd

Prime: No

Previous Prime: 87049

Next Prime: 87071

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 13 × 37 × 181

Divisors: 1, 13, 37, 181, 481, 2353, 6697, 87061

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010000010101

Octal: 252025

Duodecimal: 42471

Hexadecimal: 15415

Square: 7579617721

Square Root: 295.0610106401725

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

Strong pseudoprimes to base 6. A20232

Strong pseudoprimes to base 8. A20234

Strong pseudoprimes to base 31. A20257

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 23. A31611

Array A(n, k) = lunar sum n + k (n >= 0, k >= 0) read by antidiagonals. A87061

Quasi-Carmichael numbers. A257750