Properties of the Number 87543

Eighty-Seven Thousand Five Hundred Forty-Three

Basics

Value: 87542 → 87543 → 87544

Parity: odd

Prime: No

Previous Prime: 87541

Next Prime: 87547

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 71 × 137

Divisors: 1, 3, 9, 71, 137, 213, 411, 639, 1233, 9727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010111110111

Octal: 252767

Duodecimal: 427B3

Hexadecimal: 155f7

Square: 7663776849

Square Root: 295.87666349342254

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

a(n) is the number of convex pentagons in an n-triangular net. A176646

a(0) =1, a(1) = 2, a(n) = smallest prime beginning with the sum of two previous terms. A87543