Properties of the Number -51663

Fifty-One Thousand Six Hundred Sixty-Three

Basics

Value: -51664 → -51663 → -51662

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 17 × 1013

Divisors: 1, 3, 17, 51, 1013, 3039, 17221, 51663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100100111001111

Octal: -144717

Duodecimal: -25A93

Hexadecimal: -c9cf

Square: 2669065569

Square Root: 227.29496254866714

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

Triangle T(n,k) = P(n,k)/2, n >= 2, 1 <= k < n, of one-half of number of permutations of 1..n such that the differences have k runs with the same signs. A8970

One half of the number of permutations of [n] such that the differences have 5 runs with the same signs. A506

Numbers k such that the smoothly undulating palindromic number (79·10^k - 97)/99 is a prime. A62226