Properties of the Number 66345

Sixty-Six Thousand Three Hundred Forty-Five

Basics

Value: 66344 → 66345 → 66346

Parity: odd

Prime: No

Previous Prime: 66343

Next Prime: 66347

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 4423

Divisors: 1, 3, 5, 15, 4423, 13269, 22115, 66345

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10000001100101001

Octal: 201451

Duodecimal: 32489

Hexadecimal: 10329

Square: 4401659025

Square Root: 257.5752317285185

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

The ED3 array read by antidiagonals. A167572

Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n having exactly k down steps hitting the x-axis. A101275

The fifth row of the ED3 array A167572. A167575

Numbers k such that there are 10 digits in k² and for each factor f of 10 (1, 2, 5) the sum of digit groupings of size f is a square. A153748

Winning binary "same game" templates of length n as defined below. A66345