Properties of the Number 87047

Eighty-Seven Thousand Forty-Seven

Basics

Value: 87046 → 87047 → 87048

Parity: odd

Prime: No

Previous Prime: 87041

Next Prime: 87049

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 61 × 1427

Divisors: 1, 61, 1427, 87047

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101010000000111

Octal: 252007

Duodecimal: 4245B

Hexadecimal: 15407

Square: 7577180209

Square Root: 295.03728577927234

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 n such that σ (φ ( n ) ) = σ (σ (n ) ) where φ is Euler's totient and σ is the multiplicative sum-of-divisors function. A65556

a(n) = n*(n+1)*(n+2)*a(n-1)/6 for n >= 1; a(0) = 1. A87047