Properties of the Number 22199

Twenty-Two Thousand One Hundred Ninety-Nine

Basics

Value: 22198 → 22199 → 22200

Parity: odd

Prime: No

Previous Prime: 22193

Next Prime: 22229

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 79 × 281

Divisors: 1, 79, 281, 22199

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011010110111

Octal: 53267

Duodecimal: 10A1B

Hexadecimal: 56b7

Square: 492795601

Square Root: 148.99328843944616

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

a(n) = prime(n)*prime(n+1) - prime(n) - prime(n+1). A37165

a(n) = prime(n)² - 2. A49001

Numerators of rational valued sequence f whose Dirichlet convolution with itself yields A000203 (σ, the sum of divisors). A317831

Numbers m such that Stern polynomial B(m,x) has no irreducible polynomial factors that themselves are Stern polynomials. The initial a(1) = 1 is included by convention. A389918

Numerators of rational valued sequence whose Dirichlet convolution with itself yields A005187. A317927

Numbers of the form ∏_k=i..j prime(k) - ∑_k=i..j prime(k) where i < j. A387946

Numerators of continued fraction convergents to sqrt(453). A41862

Subset of A037165 (p(n)*p(n+1)-p(n)-p(n+1)) for twin primes. A137367

Expansion of ∏_k>0 (1 + (2·k-1)*x^2·k-1)/(1 - 2·k*x^2·k). A319859

Array read by downward antidiagonals: A(n,k) = ∑_j=0..k+1 binomial(k+2, j+1)*A(n-1,j) with A(0,k) = 1, n >= 0, k >= 0. A370381