Properties of the Number 52506

Fifty-Two Thousand Five Hundred Six

Basics

Value: 52505 → 52506 → 52507

Parity: even

Prime: No

Previous Prime: 52501

Next Prime: 52511

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 2917

Divisors: 1, 2, 3, 6, 9, 18, 2917, 5834, 8751, 17502

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100110100011010

Octal: 146432

Duodecimal: 26476

Hexadecimal: cd1a

Square: 2756880036

Square Root: 229.14187744713973

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

Sum of the first n n-digit primes less n·10^n-1. A114053

Inverse Moebius transform of A000031 (starting at term 0). A54058

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2^p+1 + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 2, and a(3) = 1. A49901

Expansion of e.g.f. exp(x·exp(x)-x). A52506