Properties of the Number 66007

Sixty-Six Thousand Seven

Basics

Value: 66006 → 66007 → 66008

Parity: odd

Prime: No

Previous Prime: 65993

Next Prime: 66029

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 149 × 443

Divisors: 1, 149, 443, 66007

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10000000111010111

Octal: 200727

Duodecimal: 32247

Hexadecimal: 101d7

Square: 4356924049

Square Root: 256.9182749436093

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 partitions of n containing at least one part m-6 if m is the largest part. A212546

Semiprimes n such that 3·n + 4 is a square. A112666

a(n) is that n-digit number m which minimizes m/(sum of digits of m); in case of a tie pick the smallest. A66007

Number of nX4 0..1 arrays with no element equal to a strict majority of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A279154