Properties of the Number 66325

Sixty-Six Thousand Three Hundred Twenty-Five

Basics

Value: 66324 → 66325 → 66326

Parity: odd

Prime: No

Previous Prime: 66301

Next Prime: 66337

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ² × 7 × 379

Divisors: 1, 5, 7, 25, 35, 175, 379, 1895, 2653, 9475

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001100010101

Octal: 201425

Duodecimal: 32471

Hexadecimal: 10315

Square: 4399005625

Square Root: 257.53640519351825

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

Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with all 1's connected and a path of 1's from top row to lower right corner. A391489

Indices of primes that are the sum of two Fibonacci numbers. A178971

a(n) = 4·n³ - 6·n² + 3·n - 1. A268201

Array read by antidiagonals for k,n>=0: T(n,k) = number of tilings of a 2k X n rectangle using dominos and 2 X 2 right triangles. A362297

Number of n X 7 binary arrays with all 1's connected and a path of 1's from top row to lower right corner. A163016

Number of nX3 binary arrays with all 1s connected and a path of 1s from left column to lower right corner. A163020

a(n) = ((2·n+1)³+(-1)ⁿ)/2. A175109

Number of tilings of a 4 X n rectangle using dominos and 2 X 2 right triangles. A362298

Strong pseudoprimes to base 51. A20277

Floor(1/{(8+n⁴)^1/4}), where {}=fractional part. A184632