Properties of the Number 33440

Thirty-Three Thousand Four Hundred Forty

Basics

Value: 33439 → 33440 → 33441

Parity: even

Prime: No

Previous Prime: 33427

Next Prime: 33457

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁵ × 5 × 11 × 19

Divisors: 1, 2, 4, 5, 8, 10, 11, 16, 19, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000001010100000

Octal: 101240

Duodecimal: 17428

Hexadecimal: 82a0

Square: 1118233600

Square Root: 182.86607121059936

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

Number of partitions of n into parts of 16 kinds. A23014

a(n) = ∑_{k=0..floor(n/2)} (-1)^k * binomial(2·n-2·k-2,n-2·k). A390683

T(n,k) = right- or upward-moving paths connecting opposite corners of an n X n chessboard, visiting the diagonal at k points between start and finish. A75435

The Wiener index of a chain of n squares joined at vertices (i.e., joined like <><><>...<>; here <> is a square!). A143943

Number of (w,x,y,z) with all terms in {1,...,n} and w<=2x and y<3z. A212512

Expansion of 1/(1 - x/(1 - 49·x⁷)^1/7). A373511

Terms of A061047 ending in 0. A146950

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 315", based on the 5-celled von Neumann neighborhood. A271248

Numbers whose base-4 representation contains exactly four 0's and four 2's. A45061

Number of ways to partition a 5·n X 2 grid into 5 connected equal-area regions. A167239