Properties of the Number -256751

Two Hundred Fifty-Six Thousand Seven Hundred Fifty-One

Basics

Value: -256752 → -256751 → -256750

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 11 × 17 × 1373

Divisors: 1, 11, 17, 187, 1373, 15103, 23341, 256751

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111110101011101111

Octal: -765357

Duodecimal: -1046BB

Hexadecimal: -3eaef

Square: 65921076001

Square Root: 506.7060291727344

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

Numbers k such that σ(φ(k))-φ(σ(k)) is nonzero and is divisible by (k+1), that is A065395(k)/(k+1) = (φ(σ(k))-σ(φ(k)))/(k+1) is a nonzero integer. A92586

Triangle read by rows: T(n,k) is the number of non-equivalent subsets of size k in S_n, 0 <= k <= n!. A381842