Properties of the Number 87871

Eighty-Seven Thousand Eight Hundred Seventy-One

Basics

Value: 87870 → 87871 → 87872

Parity: odd

Prime: No

Previous Prime: 87869

Next Prime: 87877

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 7 × 12553

Divisors: 1, 7, 12553, 87871

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011100111111

Octal: 253477

Duodecimal: 42A27

Hexadecimal: 1573f

Square: 7721312641

Square Root: 296.4304302867707

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

Inverse Euler transform of Bell numbers. A85686

Integers that reach the (47360, 29127) cycle described in A234534, after iterations of numerator(σ(n)/n) = A017665(n). A249614

Semiprimes formed by concatenating n, n, and 1 for n = 1, 2, 3,.... A210711

Primes of the form (4·k + 1)² + (4·k + 2)² where k=0,1,2,3,... A87871