Properties of the Number 22871

Twenty-Two Thousand Eight Hundred Seventy-One

Basics

Value: 22870 → 22871 → 22872

Parity: odd

Prime: Yes

Previous Prime: 22861

Next Prime: 22877

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 22871

Divisors: 1, 22871

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100101010111

Octal: 54527

Duodecimal: 1129B

Hexadecimal: 5957

Square: 523082641

Square Root: 151.2316104523125

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

Total number of congruence subgroups of PSL(2,Z) of genus n. A258691

Number of distinct values taken by 6th derivative of x^x^...^x (with n x's and parentheses inserted in all possible ways) at x=1. A199883

Numerators of s(i) = s(i-1) - (1/i)*sign(s(i-1)) with s(1) = 1. A203810

Number of 2 X 2 matrices having all elements in {0,1,...,n} and determinant in the open interval (-n,n). A211032

Euler transform of j-> ceiling(2^j-2). A347011

a(0) = 1, a(n) = 21·n² + 2 for n>0. A10011

Number of nX3 0..1 arrays with every element unequal to 0, 1, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero. A316547

Primes p such that if q is the next prime, p+A004086(q) and q+A004086(p) are prime. A351728

First of three consecutive primes p,q,r such that p+q, p+r and q+r are all triprimes. A362203

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 1), (0, 0, -1), (1, 0, 1)}. A148673