Properties of the Number 63648

Sixty-Three Thousand Six Hundred Forty-Eight

Basics

Value: 63647 → 63648 → 63649

Parity: even

Prime: No

Previous Prime: 63647

Next Prime: 63649

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ² × 13 × 17

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 13, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100010100000

Octal: 174240

Duodecimal: 30A00

Hexadecimal: f8a0

Square: 4051067904

Square Root: 252.28555249954366

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 ways to place 2 nonattacking kings on an n X n board. A61995

Number of lines through at least 2 points of an n X n grid of points. A18808

Triangle read by rows: T(n,k) (n>=0, 0<=k<=A002620(n-1)) is the number of permutations of [n] with k nestings. A263776

Number of key comparisons to sort all n! permutations of n elements by the optimal quadral-pivot quicksort. A288971

Triangle read by rows: T(n,k) = number of closed meander systems of order n with k<=n components. A8828

Number of multigraphs with loops on 3 nodes with n edges. A50531

Number of permutations of length n with exactly 4 occurrences of the pattern 2-13. A120812

Number of closed meander systems of order n+1 with n components. A6659

Expansion of (1+x³*C)*C, where C = (1-(1-4·x)^1/2)/(2·x) is g.f. for Catalan numbers, A000108. A71726

Number of 3-step king's tours on an n X n board summed over all starting positions. A186862