Properties of the Number 64554

Sixty-Four Thousand Five Hundred Fifty-Four

Basics

Value: 64553 → 64554 → 64555

Parity: even

Prime: No

Previous Prime: 64553

Next Prime: 64567

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 29 × 53

Divisors: 1, 2, 3, 6, 7, 14, 21, 29, 42, 53

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111110000101010

Octal: 176052

Duodecimal: 31436

Hexadecimal: fc2a

Square: 4167218916

Square Root: 254.07479213806315

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 permutations of length n within distance 2 of a fixed permutation. A2524

T(n,k)=Number of nXk array permutations with each element moving zero or one space diagonally, horizontally or vertically. A189312

a(n) = ∑_{k=0..floor(n/4)} (-1)^k * binomial(n-1-3·k,n-4·k) * binomial(2·k,k). A360315

Number of n X 2 array permutations with each element moving zero or one space diagonally, horizontally or vertically. A189305

Number of nX7 array permutations with each element moving zero or one space diagonally, horizontally or vertically. A189310

Number of length n arrays of permutations of 0..n-1 with each element moved by -2 to 2 places and the total absolute value of displacements not greater than 2*(n-1). A263899

a(n) = Min {k | A064553(k) = n}. A64554