Properties of the Number 18368

Eighteen Thousand Three Hundred Sixty-Eight

Basics

Value: 18367 → 18368 → 18369

Parity: even

Prime: No

Previous Prime: 18367

Next Prime: 18371

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁶ × 7 × 41

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 32, 41

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011111000000

Octal: 43700

Duodecimal: A768

Hexadecimal: 47c0

Square: 337383424

Square Root: 135.52859476877933

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

Intermediate edge b of smallest (measured by the longest edge) primitive Euler bricks (a, b, c, sqrt(a² + b²), sqrt(b² + c²), sqrt(a² + c²) are integers). A31174

Number of words of length n over the alphabet {0,...,n-1} that avoid the pattern 123. A239295

Sum of odd divisors of !n. A195210

Number of ways to place 2 nonattacking kings on an n X n cylindrical chessboard. A194650

T(n,k) = Number of n X k 0..1 arrays with row sums unimodal and column sums inverted unimodal. A223782

Minimal elements of pairs of "Super Unitary Amicable Numbers", sorted by their minimal elements. A45613

8 times octagonal numbers: 8·n*(3·n-2). A153808

a(n) = 2·n*(9·n-1). A178574

Consecutive states of the linear congruential pseudo-random number generator (625·s + 6571) mod 31104 when started at s=1. A385279

Triangle of Delannoy paths counted by number of diagonal steps not preceded by an east step. A110446