Properties of the Number 54912

Fifty-Four Thousand Nine Hundred Twelve

Basics

Value: 54911 → 54912 → 54913

Parity: even

Prime: No

Previous Prime: 54907

Next Prime: 54917

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁷ × 3 × 11 × 13

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 13, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011010000000

Octal: 153200

Duodecimal: 27940

Hexadecimal: d680

Square: 3015327744

Square Root: 234.33309625402896

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 walks within N² (the first quadrant of Z²) starting at (0, 0), ending on the vertical axis and consisting of 2n steps taken from {(-1, -1), (-1, 0), (1, 1)}. A151374

Number of rooted bicubic maps: a(n) = (8·n-4)*a(n-1)/(n+2) for n >= 2, a(0) = a(1) = 1. A257

a(0) = 0; for n >= 1, a(n) = 2^n-1*C(n-1), where C(n) = A000108(n) Catalan numbers, n>0. A52701

Number of rooted planar cubic maps with 2n vertices. A2005

A transform of C(n,7). A82141

Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 2/(1 + sqrt(1 - 4·k*x)). A290605

Triangle read by rows: T(n,g) is the number of rooted 2n-face triangulations in an orientable surface of genus g. A266240

Triangle read by rows: T(n,k) is the number of rooted hypermaps of genus k with n darts. A321710

First subdiagonal of number array A082137. A82143

Riordan array (1, x·c(2x)), c(x) the g.f. of A000108. A110510