Properties of the Number 22995

Twenty-Two Thousand Nine Hundred Ninety-Five

Basics

Value: 22994 → 22995 → 22996

Parity: odd

Prime: No

Previous Prime: 22993

Next Prime: 23003

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 7 × 73

Divisors: 1, 3, 5, 7, 9, 15, 21, 35, 45, 63

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100111010011

Octal: 54723

Duodecimal: 11383

Hexadecimal: 59d3

Square: 528770025

Square Root: 151.64102347320133

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

Odd primitive abundant numbers. A6038

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically. A208108

Irregular triangle of odd primitive abundant numbers (A006038) in which row n has numbers with n distinct prime factors. A188439

G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - x·A(x⁴))). A367692

a(n) = p(0) + p(1) + ... + p(n) - n - 1, where p = partition numbers, A000041. A58682

Irregular triangle read by row: T(n,k), n>=1, k>=1, in which column k lists the numbers of A000716 multiplied by A000330(k), and the first element of column k is in row A000217(k). A252117

Odd recursive abundant numbers: odd numbers k such that A333926(k) > 2·k. A333950

Primitive terms of A388034. A388035

Numbers n such that n⁶ + 272 is prime. A161998

Triangle read by rows, defined by T(n,k) = C(n,k)*S2(n,k), 0 <= k <= n, where C(n,k) are the binomial coefficients and S2(n,k) are the Stirling numbers of the second kind. A90683