Properties of the Number 33660

Thirty-Three Thousand Six Hundred Sixty

Basics

Value: 33659 → 33660 → 33661

Parity: even

Prime: No

Previous Prime: 33647

Next Prime: 33679

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 11 × 17

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000001101111100

Octal: 101574

Duodecimal: 17590

Hexadecimal: 837c

Square: 1132995600

Square Root: 183.46661821704785

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 n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=12. A135197

a(n) = (6ⁿ/n!)*∏_k=0..n-1 (6·k + 5). A4994

Expansion of g.f. A(x,y) satisfying A(x,y) = 1 + x·A(x,y)/(1 - x·y * A(x,y))², as a triangle of coefficients T(n,k) of xⁿ*y^k in A(x,y), read by rows n >= 0. A365770

Antidiagonal sums of square array A082011. A82014

a(n) = (6 + 10·n + 5·n² + n³)/2. A164845

Expansion of 1/(1 - 16·x)^1/8. A224881

Square array read by antidiagonals downwards: super Patalan numbers of order 6. A248328

Least positive integer k which has at least n divisors d for which τ(k) = σ(d). A381927

Composite numbers requiring increasingly larger bases to become prime by base reversal. A75243

a(n) = n*(n+1)*(2n+1)*(3n+1)*(4n+1)/30. A94323