Properties of the Number 66265

Sixty-Six Thousand Two Hundred Sixty-Five

Basics

Value: 66264 → 66265 → 66266

Parity: odd

Prime: No

Previous Prime: 66239

Next Prime: 66271

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 29 × 457

Divisors: 1, 5, 29, 145, 457, 2285, 13253, 66265

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001011011001

Octal: 201331

Duodecimal: 32421

Hexadecimal: 102d9

Square: 4391050225

Square Root: 257.41989045137905

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

a(n) = smallest k>0 such that the elliptic curve y² = x³ + k has rank n, or -1 if no such k exists. A31507

Denominators of continued fraction convergents to sqrt(795). A42533

Numbers z such that x² + y⁶ = z² (with positive integers·and y) and gcd(x, y, z) = 1. A293691

tan(arcsinh(x)+log(x+1))=2·x-1/2!*x²+17/3!*x³-54/4!*x⁴+685/5!*x⁵... A13072

a(n) = number of semiprimes < 10ⁿ. A66265