Properties of the Number 87690

Eighty-Seven Thousand Six Hundred Ninety

Basics

Value: 87689 → 87690 → 87691

Parity: even

Prime: No

Previous Prime: 87683

Next Prime: 87691

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 37 × 79

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 37, 74

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011010001010

Octal: 253212

Duodecimal: 428B6

Hexadecimal: 1568a

Square: 7689536100

Square Root: 296.12497361755896

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

Triangle T(n,k) of number of strongly connected digraphs on n unlabeled nodes and with k arcs, k=0..n*(n-1). A57276

Transform of A059502 applied to sequence 5,6,7,... A59508

Denominators of successive partial sums of sum(1/(2ⁿ-1)). A87690