Properties of the Number 87157

Eighty-Seven Thousand One Hundred Fifty-Seven

Basics

Value: 87156 → 87157 → 87158

Parity: odd

Prime: No

Previous Prime: 87151

Next Prime: 87179

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7 × 12451

Divisors: 1, 7, 12451, 87157

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010001110101

Octal: 252165

Duodecimal: 42531

Hexadecimal: 15475

Square: 7596342649

Square Root: 295.2236440395654

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

Sum of the odd parts in the partitions of n into 7 parts. A309624

Satisfies a(1)=1, a(A087158(n+1)) = a(n)+1, with a(m)=1 for all m not found in A087158, where A087158(n+2)=A087158(n+1)+a(n)+1. A87157