Properties of the Number 64966

Sixty-Four Thousand Nine Hundred Sixty-Six

Basics

Value: 64965 → 64966 → 64967

Parity: even

Prime: No

Previous Prime: 64951

Next Prime: 64969

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 11 × 2953

Divisors: 1, 2, 11, 22, 2953, 5906, 32483, 64966

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111110111000110

Octal: 176706

Duodecimal: 3171A

Hexadecimal: fdc6

Square: 4220581156

Square Root: 254.8842874717859

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

Relative of Hofstadter Q-sequence: a(n) = max(0, n+32478) for n <= 0; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 0. A274058

Cube of the lower triangular normalized Eulerian number matrix. A27538

Number of nX6 0..1 arrays with every element unequal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. A305095

Third diagonal of A027538. A27543

Third column of A027538. A27551

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. A305097

Number of nX3 0..2 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value 2-x(i,j). A229929

Numbers n such that 10000000n+1, 10000000n+3, 10000000n+7, 10000000n+9 are all primes. A64966