Properties of the Number 87747

Eighty-Seven Thousand Seven Hundred Forty-Seven

Basics

Value: 87746 → 87747 → 87748

Parity: odd

Prime: No

Previous Prime: 87743

Next Prime: 87751

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 2659

Divisors: 1, 3, 11, 33, 2659, 7977, 29249, 87747

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011011000011

Octal: 253303

Duodecimal: 42943

Hexadecimal: 156c3

Square: 7699536009

Square Root: 296.22120113185684

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

Number of integer partitions of n with at least two but not all parts having a common divisor greater than 1. A303139

Number of nX5 0..1 arrays with every element unequal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero. A304016

Number of nX7 0..1 arrays with every element unequal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero. A304018

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero. A304019

Least number expressible as a sum of two distinct primes in exactly n ways. A87747