Properties of the Number 87791

Eighty-Seven Thousand Seven Hundred Ninety-One

Basics

Value: 87790 → 87791 → 87792

Parity: odd

Prime: No

Previous Prime: 87767

Next Prime: 87793

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 11 × 23 × 347

Divisors: 1, 11, 23, 253, 347, 3817, 7981, 87791

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011011101111

Octal: 253357

Duodecimal: 4297B

Hexadecimal: 156ef

Square: 7707259681

Square Root: 296.29546064696973

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

In the "3x+1" problem, let 1 denote a halving step and 0 denote an x->3x+1 step. Then a(n) is obtained by writing the sequence of steps needed to reach 1 from 2n and reading it as a decimal number. A125711

Number of ways to build an expression using non-redundant parentheses in an expression of n variables, counted in decreasing sub-partitions of equal size. A245390

Indices n such that Sⁿ(1) is an integer where S(x) = 3/2·ceiling(x). A87791