Properties of the Number 11664

Eleven Thousand Six Hundred Sixty-Four

Basics

Value: 11663 → 11664 → 11665

Parity: even

Prime: No

Previous Prime: 11657

Next Prime: 11677

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ⁶

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10110110010000

Octal: 26620

Duodecimal: 6900

Hexadecimal: 2d90

Square: 136048896

Square Root: 108

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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 of the form 2ⁱ*3^j, where i and j >= 1. A33845

Numbers that are divisible by exactly 10 primes with multiplicity. A46314

4-full numbers: if a prime p divides k then so does p⁴. A36967

Numbers k such that Sum_i ( e(i)/p(i) ) is an integer, where the prime factorization of k is Product_i ( p(i)^e(i) ). A72873

Triangle read by rows: coefficients T(n,k) of a binomial decomposition of 1 as ∑_k=0..n T(n,k)*binomial(n,k). A244118

a(n) = 2·n³. A33431

Perfect powers of Achilles numbers. A383394

a(n) = (4·n)². A16802

a(n) = (3·n)². A16766

a(n) = ∑_k=0..2n (k+1) * A026519(n, k). A27266