Properties of the Number 17240

Seventeen Thousand Two Hundred Forty

Basics

Value: 17239 → 17240 → 17241

Parity: even

Prime: No

Previous Prime: 17239

Next Prime: 17257

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 5 × 431

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 431, 862

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100001101011000

Octal: 41530

Duodecimal: 9B88

Hexadecimal: 4358

Square: 297217600

Square Root: 131.3011804973588

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) is the number of edges formed by n-secting the angles of a pentagon. A335555

Twice 13-gonal numbers: a(n) = n*(11·n - 9). A152997

a(n) = ∑_{k=0..floor(n/3)} Catalan(n-3·k). A360274

Number of positions that are exactly n moves from the starting position in the Rubik's UFO puzzle. A79820

Number of distinct solutions of sum{i=1..3}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 1..n-1. A180785

Number of meanders of length n with Motzkin-steps avoiding the consecutive steps HH and DU. A329668

Expansion of (1 + x) * ∏_k>=1 (1 + x^k)/(1 - x^k). A309266

a(n) = (9·n + 6)⁸. A17240