Properties of the Number 87169

Eighty-Seven Thousand One Hundred Sixty-Nine

Basics

Value: 87168 → 87169 → 87170

Parity: odd

Prime: No

Previous Prime: 87151

Next Prime: 87179

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 61 × 1429

Divisors: 1, 61, 1429, 87169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010010000001

Octal: 252201

Duodecimal: 42541

Hexadecimal: 15481

Square: 7598434561

Square Root: 295.24396691549856

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

a(n) = least k such that the remainder when 19^k is divided by k is n. A128159

Expansion of (1 + 3·x)/(1 + 5·x + 9·x²). A87169