Properties of the Number 87181

Eighty-Seven Thousand One Hundred Eighty-One

Basics

Value: 87180 → 87181 → 87182

Parity: odd

Prime: Yes

Previous Prime: 87179

Next Prime: 87187

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 87181

Divisors: 1, 87181

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010010001101

Octal: 252215

Duodecimal: 42551

Hexadecimal: 1548d

Square: 7600526761

Square Root: 295.26428839261956

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

Primes that remain prime through 4 iterations of function f(x) = 5x + 2. A23313

Numbers k such that d(k) < d(k+1) < d(k+2) < d(k+3) < d(k+4), where d(n) is the number of divisors of n. A364717

Number partition numbers <= P(n) of the form 3·k+1 (P = A000041). A87181