Properties of the Number -56390

Fifty-Six Thousand Three Hundred Ninety

Basics

Value: -56391 → -56390 → -56389

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 5639

Divisors: 1, 2, 5, 10, 5639, 11278, 28195, 56390

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101110001000110

Octal: -156106

Duodecimal: -28772

Hexadecimal: -dc46

Square: 3179832100

Square Root: 237.46578700941322

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) = 2/n²*( ∑_k=0..n-1 (2·k+1)*C(n-1,k)²*C(n+k,k) ), where C(m,k) denotes the binomial coefficient m!/(k!*(m-k)!). A246542

A065829 converted to base 10. A65830

Least positive integer k such that both k and k·n belong to the set {m>0: prime(m)+2 is prime with prime(prime(m)+2) = prime(prime(m))+6}. A261528