Properties of the Number 22855

Twenty-Two Thousand Eight Hundred Fifty-Five

Basics

Value: 22854 → 22855 → 22856

Parity: odd

Prime: No

Previous Prime: 22853

Next Prime: 22859

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 7 × 653

Divisors: 1, 5, 7, 35, 653, 3265, 4571, 22855

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100101000111

Octal: 54507

Duodecimal: 11287

Hexadecimal: 5947

Square: 522351025

Square Root: 151.1787022037165

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

Numbers k such that k, k+1, k+2 and k+3 have the same number of divisors. A6601

Numbers n such that n·6ⁿ - 1 is prime. A59675

a(n) = ∑_j=1..n ∑_k=1..n φ(j·k). A372633

Integers which can be written in exactly three ways as sum of two distinct nonzero pentagonal numbers. A333013

Least k such that decimal representation of k·n contains only digits 0 and 7. A96686

O.g.f.: ∑_n>=0 xⁿ * (n + x)ⁿ / (1 + n·x)ⁿ. A230741

a(n) is the least number k such that A349474(k) = A349474(k+1) = n, or -1 if no such k exists. A349500

a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 57. A93257

a(n) = [ a(n-1)/a(1) ] + [ a(n-1)/a(2) ] + ... + [ a(n-1)/a(n-1) ] for n >= 3, with initial terms 1,1. A22855

Number of nX4 array permutations with each element moving one space diagonally, horizontally or vertically. A189350