Properties of the Number -10880

Ten Thousand Eight Hundred Eighty

Basics

Value: -10881 → -10880 → -10879

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁷ × 5 × 17

Divisors: 1, 2, 4, 5, 8, 10, 16, 17, 20, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101010000000

Octal: -25200

Duodecimal: -6368

Hexadecimal: -2a80

Square: 118374400

Square Root: 104.30723848324239

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

Expansion of g.f. (1+x)²*(x²-6·x+1)/(x-1)⁴. A136264

Triangular sequence from a Peters polynomials expansion: l0 = 2; m0 = 2; p(t) = (1 + t)^x/(1 + (1 + t)^l0)^m0. A137393

a(n) = 2^n-1*(2ⁿ - (-1)ⁿ)/3. A3683

Number of ways to partition 2n into distinct positive integers. A35294

a(n) = n*(n+2)*(n-2)/3. A77415

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 5 6 or 7. A252384

Second pentagonal numbers with odd index: a(n) = (2·n-1)*(3·n-1). A33568

Numbers with exactly 2 odd integers in their Collatz (or 3x+1) trajectory. A62052

Number of ways to change three non-identical letters in the word aabbccdd..., where there are n types of letters. A102860

k-imperfect numbers for some k >= 1. A127724