Properties of the Number 22190

Twenty-Two Thousand One Hundred Ninety

Basics

Value: 22189 → 22190 → 22191

Parity: even

Prime: No

Previous Prime: 22189

Next Prime: 22193

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 7 × 317

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 317, 634

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011010101110

Octal: 53256

Duodecimal: 10A12

Hexadecimal: 56ae

Square: 492396100

Square Root: 148.96308267486947

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 such that the least part occurs exactly five times. A97093

Matrix inverse, read by rows, of triangle A104029, which forms the pairwise sums of trinomial coefficients. A104030

Sum of the even parts in all partitions of n into distinct parts. A116684

Nonexponential weird numbers: nonexponential abundant numbers (A348604) that are not equal to the sum of any subset of their nonexponential divisors. A348631

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A162661. A384651

McKay-Thompson series of class 36C for Monster. A58646

Arises in the maximum number of C5's in a triangle-free graph. A185721

a(n) = A037276(n) - n. A289660

(1+e)-weird numbers: (1+e)-abundant numbers k such that no subset of the aliquot (1+e)-divisors of k sums to k. A349285

McKay-Thompson series of class 42d for Monster. A58678