Properties of the Number 22183

Twenty-Two Thousand One Hundred Eighty-Three

Basics

Value: 22182 → 22183 → 22184

Parity: odd

Prime: No

Previous Prime: 22171

Next Prime: 22189

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 3169

Divisors: 1, 7, 3169, 22183

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011010100111

Octal: 53247

Duodecimal: 10A07

Hexadecimal: 56a7

Square: 492085489

Square Root: 148.93958506723456

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 nXk 0..2 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally. A201155

Total number of palindromic primes in base 3 below 3ⁿ. A117775

Numbers n such that φ(n) = σ(n) - reversal(σ(n)). A230012

Array read by downward antidiagonals: A(n,k) = A(n-1,k+1) + 2*(k+1)!*∑_j=0..k A(n-1,j)/j! with A(0,k) = 1, n >= 0, k >= 0. A379458

Number of nX4 0..2 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally. A201151

Number of nX5 0..2 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally. A201152

a(1) = 1; a(n+1) = ∑_{d∣n, n/d odd} a(d)^n/d. A307780

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