Properties of the Number 22873

Twenty-Two Thousand Eight Hundred Seventy-Three

Basics

Value: 22872 → 22873 → 22874

Parity: odd

Prime: No

Previous Prime: 22871

Next Prime: 22877

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 89 × 257

Divisors: 1, 89, 257, 22873

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100101011001

Octal: 54531

Duodecimal: 112A1

Hexadecimal: 5959

Square: 523174129

Square Root: 151.23822268196622

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 A(n,k) of tilings of a k X n rectangle using polyominoes of shape I; square array A(n,k), n>=0, k>=0, read by antidiagonals. A254414

Irregular triangle in which row n has the values of k>n such that ∑_i=n..k i² is a square. A184763

The number of tilings of a 3 X n rectangle using integer length rectangles with at least one side of length 1, i.e., tiles are 1 X 1, 1 X 2, ..., 1 X n, 2 X 1, 3 X 1. A254124

The number of tilings of a 5 X n rectangle using integer length rectangles with at least one length of size 1, i.e., tiles are 1 X 1, 1 X 2, ..., 1 X n, 2 X 1, 3 X 1, 4 X 1, 5 X 1. A254126

Triangle read by rows: numerators of the almost-Riordan array ( (-6·x - 3 - 3·sqrt(12·x² - 8·x + 1))/(8·x² - 3·x - 3 + (3·x - 3)*sqrt(12·x² - 8·x + 1)) | 6/(3*(1 - x)*sqrt(12·x² - 8·x + 1) - 8·x² + 3·x + 3), (1 - 4·x - sqrt(12·x² - 8·x + 1))/(2·x) ). A389739

Numbers whose set of base-9 digits is {3,4}. A32833

Numbers k such that A339549(k) = A339549(k+1). A339550

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 417", based on the 5-celled von Neumann neighborhood. A272018

Square array: A(r,1) = A065621(r); for c > 1, A(r,c) = A048724(A(r,c-1)), read by descending antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc. A277820

a(n) = [ a(n-1)/a(1) + a(n-1)/a(2) + ... + a(n-1)/a(n-1) ] for n >= 3, with initial terms 2,1. A22873