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Properties of the Number 22118

Twenty-Two Thousand One Hundred Eighteen

Basics

Value: 22117 → 22118 → 22119

Parity: even

Prime: No

Previous Prime: 22111

Next Prime: 22123

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 11059

Divisors: 1, 2, 11059, 22118

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011001100110

Octal: 53146

Duodecimal: 10972

Hexadecimal: 5666

Square: 489205924

Square Root: 148.7212157024007

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

T(n,k) = Number of (n+2) X (k+2) binary arrays avoiding patterns 000 and 101 in rows, columns and nw-to-se diagonals. A202532
a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero icosahedral numbers in exactly n ways, or -1 if no such integer exists. A360215
Number of size n nonnegative integer arrays with new values introduced in increasing order from 0, and no 6 consecutive elements totalling n or more. A193061
Number of (n+2) X 5 binary arrays avoiding patterns 000 and 101 in rows, columns and nw-to-se diagonals. A202527
Number of (n+2) X 8 binary arrays avoiding patterns 000 and 101 in rows, columns and nw-to-se diagonals. A202530
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 155", based on the 5-celled von Neumann neighborhood. A270327
Number of walks within N3 (the first octant of Z3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (-1, 1, -1), (0, -1, 1), (1, 1, 0)}. A149174
Number of planar n X n X n binary triangular grids with no more than 6 ones in any 4 X 4 X 4 subtriangle. A153531
Number of distinct possible binary ranks of integer partitions of n, where the binary rank of a partition y is given by Sumi 2yi-1. A373120
Fibonacci sequence beginning 2, 17. A22118