Properties of the Number 22689

Twenty-Two Thousand Six Hundred Eighty-Nine

Basics

Value: 22688 → 22689 → 22690

Parity: odd

Prime: No

Previous Prime: 22679

Next Prime: 22691

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 2521

Divisors: 1, 3, 9, 2521, 7563, 22689

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101100010100001

Octal: 54241

Duodecimal: 11169

Hexadecimal: 58a1

Square: 514790721

Square Root: 150.6286825275983

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 2^k - 9 is prime. A59610

Number T(n,k) of solid standard Young tableaux of shape [[n,k],[n-k]]; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A214775

Number of distinct values of ∑_i=0..n x(i)*binomial(n,i), where the x(i) have values in 0..4. A205539

Row sums of the swinging derangement triangle (A163770). A163773

Number of solid standard Young tableaux of shape [[n,n-2],[2]]. A215298

Number of solid standard Young tableaux of shape [[n,n-5],[5]]. A215301

Number of 2 X 2 matrices with all elements in {-n,..,0,..,n} with determinant = 2·permanent. A280343

Partial sums of A286271. A286272

Values of b such that (c+9b)*prime(n)#-1 is the least prime such that (c+kb)*prime(n)#-1 are all primes for 0 <= k <= 9, or 0 if there is no solution with c+9b < prime(n)#. A188367

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 57", based on the 5-celled von Neumann neighborhood. A270077