Properties of the Number 56628

Fifty-Six Thousand Six Hundred Twenty-Eight

Basics

Value: 56627 → 56628 → 56629

Parity: even

Prime: No

Previous Prime: 56611

Next Prime: 56629

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 11 ² × 13

Divisors: 1, 2, 3, 4, 6, 9, 11, 12, 13, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110100110100

Octal: 156464

Duodecimal: 28930

Hexadecimal: dd34

Square: 3206730384

Square Root: 237.9663841806233

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 two successive Catalan numbers C(n)*C(n+1). A5568

a(n) = C(floor(n/2 + 1/2))*C(floor(n/2 + 1)) where C(i) = Catalan numbers A000108. A5817

Triangle read by rows: T(n,f) is the number of rooted maps with n edges and f faces on an orientable surface of genus 3. A269923

Triangle read by rows giving number of ways to glue sides of a 2n-gon so as to produce a surface of genus g. A35309

a(n) is the number of rooted maps with n edges and one face on an orientable surface of genus 3. A288075

a(n) is the number of rooted maps with n edges and 2 faces on an orientable surface of genus 3. A288076

Table T(n,k) giving number of two-legged knot diagrams with n >= 0 self-intersections and k >= 0 tangencies, read by antidiagonals. A67640

Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 2 faces on an orientable surface of genus g. A270406

Right-hand diagonal of A035309. A35318

Number of permutations of n letters where exactly 5 change position. A60836