Properties of the Number 22650

Twenty-Two Thousand Six Hundred Fifty

Basics

Value: 22649 → 22650 → 22651

Parity: even

Prime: No

Previous Prime: 22643

Next Prime: 22651

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 ² × 151

Divisors: 1, 2, 3, 5, 6, 10, 15, 25, 30, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100001111010

Octal: 54172

Duodecimal: 11136

Hexadecimal: 587a

Square: 513022500

Square Root: 150.4991694329241

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

Product of a prime and the previous number. A36689

Least k > 0 such that gcd(kⁿ+2, (k+1)ⁿ+2) > 1, or 0 if there is no such k. A255852

Least m > 0 such that gcd(m²ⁿ⁺¹+2, (m+1)²ⁿ⁺¹+2) > 1. A255832

Triangle read by rows: T(n, k) is the number of ways to place k points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line. A279445

Number of ways to place 9 points on an n X n board so that no more than 2 points are on a vertical or horizontal straight line. A279443

Numbers representable in exactly two ways as (p-1)*p^e (where p is a prime and e >= 0) in ascending order. A114874

Numbers m such that gcd(A001008(m), m) > 1, in increasing order. A256102

Sorted Galois numbers. A28689

Numbers m such that m^k does not divide the denominator of the m-th generalized harmonic number H(m,k) nor the denominator of the m-th alternating generalized harmonic number H'(m,k), for k = 4. A128674

Sequence generated from Lim:_{n..inf.} Mⁿ, M = an infinite lower triangular matrix with (1,3,3,3,...) in every column, shifted down twice. A171370