Properties of the Number -260426

Two Hundred Sixty Thousand Four Hundred Twenty-Six

Basics

Value: -260427 → -260426 → -260425

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 59 × 2207

Divisors: 1, 2, 59, 118, 2207, 4414, 130213, 260426

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111111100101001010

Octal: -774512

Duodecimal: -106862

Hexadecimal: -3f94a

Square: 67821701476

Square Root: 510.31950775959956

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 moments of all partitions of n with weights starting at 0. A66185

Number of (2+1) X (n+1) arrays of permutations of 0..n·3+2 with each element having directed index change 2,-1 1,0 2,1 0,-1 -2,-2 or -1,0. A264491

a(n) = n! * ∑_{k=0..floor(n/3)} (k+1)^k-1 / (6^k * k! * (n-3·k)!). A362525