ℕ atory
Play Now

Properties of the Number -11688

Eleven Thousand Six Hundred Eighty-Eight

Basics

Value: -11689 → -11688 → -11687

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 3 × 3 × 487

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 487, 974

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -10110110101000

Octal: -26650

Duodecimal: -6920

Hexadecimal: -2da8

Square: 136609344

Square Root: 108.11105401391663

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) = [xn] 2/(3·sqrt(4·x2 + 1) + 6·x - 1). Alternating row sums of A375025. A375026
Number of partitions p of n such that (number of distinct parts of p) <= max(p) - min(p). A239955
Numbers k such that k and 7·k are anagrams. A23091
The 180-degree spoke (or ray) of a hexagonal spiral of Ulam. A244806
Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = x + 4. A257606
Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) < number of parts of p. A241828
a(n) = 81·n2 + 2·n. A177099
Numbers·whose digits can be permuted to produce a multiple of x. A245680
Number of days in n years (n=4 is the first leap year). A33171
Number of self-avoiding walks of length n on the Laves graph. A46944