Properties of the Number 66305

Sixty-Six Thousand Three Hundred Five

Basics

Value: 66304 → 66305 → 66306

Parity: odd

Prime: No

Previous Prime: 66301

Next Prime: 66337

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 89 × 149

Divisors: 1, 5, 89, 149, 445, 745, 13261, 66305

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001100000001

Octal: 201401

Duodecimal: 32455

Hexadecimal: 10301

Square: 4396353025

Square Root: 257.4975728040946

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

Numbers that are the sum of 5 nonzero 8th powers. A3383

Numbers k such that k² is palindromic in base 16. A29733

a(n) = n⁴ + 3·n² + 1. A57721

Denominators of continued fraction convergents to sqrt(65). A41113

Pell equation solutions (8·b(n))² - 65·a(n)² = -1 with b(n) = A097735(n), n >= 0. A97736

Numbers k such that A163511(k) is a seventh power. A366287

Denominators of continued fraction convergents to sqrt(585). A42121

Determinant of n X n matrix with rows (n²,-1,0,...,0), (1,n²,-1, 0,...,0), (0,1,n²,-1,0,...,0), ...,(0,0,...,1,n²). A176233

a(n) = 5th Fibonacci polynomial evaluated at 2ⁿ. A20531

Denominators of continued fraction convergents to sqrt(260). A41487