Properties of the Number 22173

Twenty-Two Thousand One Hundred Seventy-Three

Basics

Value: 22172 → 22173 → 22174

Parity: odd

Prime: No

Previous Prime: 22171

Next Prime: 22189

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 19 × 389

Divisors: 1, 3, 19, 57, 389, 1167, 7391, 22173

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011010011101

Octal: 53235

Duodecimal: 109B9

Hexadecimal: 569d

Square: 491641929

Square Root: 148.90601062415178

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 crossings in a regular drawing of the complete bipartite graph K(n,n). A159065

Sum of the largest parts of the partitions of n into 8 squarefree parts. A326452

Expansion of ∏_{k > 0} (1 + f(k)*x^k), where f(n) = A147952(n). A147953

a(n) = n + floor( n²/2 + n³/3 ). A236773

An L-tile is a 2 X 2 square with the upper 1 X 1 subsquare removed; no rotations are allowed. a(n) = number of tilings of a 4 X n rectangle using tiles that are either 1 X 1 squares or L-tiles. A25234

Base-4 Keith numbers. A188196

Numbers whose base-3 representation has exactly 10 runs. A43590

Numbers k such that number of runs in the base 3 representation of k is congruent to 1 mod 9. A43807

Numbers n such that number of runs in the base 3 representation of n is congruent to 0 mod 10. A43815

T(n,n+2), array T given by A047010. A47017