Properties of the Number 22997

Twenty-Two Thousand Nine Hundred Ninety-Seven

Basics

Value: 22996 → 22997 → 22998

Parity: odd

Prime: No

Previous Prime: 22993

Next Prime: 23003

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 13 × 29 × 61

Divisors: 1, 13, 29, 61, 377, 793, 1769, 22997

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100111010101

Octal: 54725

Duodecimal: 11385

Hexadecimal: 59d5

Square: 528862009

Square Root: 151.64761785138597

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 n such that if p=prime(n), then p, p+6, p+12, p+18 are consecutive primes with p=6·k+5 for some k, where prime(n) denotes n-th prime. A90835

Numbers k such that 64·3^k - 1 is prime. A387760

Sum of terms in n-th rows of triangle in A077159. A77162

Row sums of A081964. A81966

Triangular array read by rows, arising from enumeration of binary words containing n 0's and k 1's that avoid the pattern 0100010. A246971

Non-semiprime composite numbers e such that there is no 0<a<b<c<d<e for which a! * b! * c! * d! * e! is a perfect square. A392333

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 315", based on the 5-celled von Neumann neighborhood. A271248

Numerator of n*(n-2)*(2·n-1)/(2*(n-1)). A22997