Properties of the Number 23663

Twenty-Three Thousand Six Hundred Sixty-Three

Basics

Value: 23662 → 23663 → 23664

Parity: odd

Prime: Yes

Previous Prime: 23633

Next Prime: 23669

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 23663

Divisors: 1, 23663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110001101111

Octal: 56157

Duodecimal: 1183B

Hexadecimal: 5c6f

Square: 559937569

Square Root: 153.82782583134951

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

Number of unlabeled rooted phylogenetic trees with n (leaf-) nodes such that for each inner node all children are either leaves or roots of distinct subtrees. A300660

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[6, 2,6]; short d-string notation of pattern = [626]. A78854

Primes having only {2, 3, 6} as digits. A260126

Array read by antidiagonals: T(m,n) = number of edge covers in the grid graph P_m X P_n. A286912

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays x(i,j) with row sums sum{j·x(i,j), j=1..k+1} nondecreasing, and column sums sum{i²*x(i,j), i=1..n+1} nondecreasing. A233049

Positions of hexagonal pyramidal numbers in the EKG sequence. A144080

Number of edge covers in the grid graph P₃ X P_n. A288031

Primes p such that their cubes are pandigital. A124629

Primes p such that (p-7)/8 and 8p + 7 are both prime. A158238

Pasquale's sequence: a(n) = 2a(n-1) + (-1)ⁿ*floor(n/2), with a(1)=1. A177143