Properties of the Number 56042

Fifty-Six Thousand Forty-Two

Basics

Value: 56041 → 56042 → 56043

Parity: even

Prime: No

Previous Prime: 56041

Next Prime: 56053

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 × 4003

Divisors: 1, 2, 7, 14, 4003, 8006, 28021, 56042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101011101010

Octal: 155352

Duodecimal: 28522

Hexadecimal: daea

Square: 3140705764

Square Root: 236.73191588799344

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)*b(n), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296267

Numbers k such that 5·R_k + 7·10^k + 2 is prime, where R_k = 11...11 is the repunit (A002275) of length k. A259132

a(n) = n!/(k!)², where k is the largest number such that (k!)² divides n!. A56042