Properties of the Number 64683

Sixty-Four Thousand Six Hundred Eighty-Three

Basics

Value: 64682 → 64683 → 64684

Parity: odd

Prime: No

Previous Prime: 64679

Next Prime: 64693

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7187

Divisors: 1, 3, 9, 7187, 21561, 64683

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110010101011

Octal: 176253

Duodecimal: 31523

Hexadecimal: fcab

Square: 4183890489

Square Root: 254.32852769597042

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

Expansion of 1/(1 - x*∏_k>=1 (1 + k·x^k)). A299164

Number of unlabeled Laman graphs on n vertices of degree at most 4. A371901

a(n) = number of primes < n⁴. A380331

T(n,k)=Number of nXk binary arrays with top left value 1 and no two ones adjacent horizontally, vertically or antidiagonally. A228482

Let n(s) be the number formed from n by inserting s 0's between each digit, e.g. 123(2) is 1002003; sequence gives numbers n such that n(s) is divisible by n for some s>0. A64683

Number of nX7 binary arrays with top left value 1 and no two ones adjacent horizontally, vertically or nw-se diagonally. A228282

Number of nX7 binary arrays with top left value 1 and no two ones adjacent horizontally, vertically or antidiagonally. A228481

Number of nX7 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, vertically or antidiagonally. A232940