Properties of the Number 52087

Fifty-Two Thousand Eighty-Seven

Basics

Value: 52086 → 52087 → 52088

Parity: odd

Prime: No

Previous Prime: 52081

Next Prime: 52103

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 ² × 1063

Divisors: 1, 7, 49, 1063, 7441, 52087

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101101110111

Octal: 145567

Duodecimal: 26187

Hexadecimal: cb77

Square: 2713055569

Square Root: 228.22576541661547

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

To obtain a(n+1), take the square of the n-th partial sum, minus the sum of the first n squared terms, then divide this difference by a(n); for all n>1, starting with a(0)=1, a(1)=1. A87640

Number of 4-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero with no three beads in a row equal. A209345

a(n) = k is a number such that A007535(k), the smallest pseudoprime to base k ( > k), is the n-th Carmichael number. A293563

Primes whose decimal expansion is a concatenation of two or more consecutive increasing numbers (no leading zeros allowed). A52087