Properties of the Number -245505

Two Hundred Forty-Five Thousand Five Hundred Five

Basics

Value: -245506 → -245505 → -245504

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 13 × 1259

Divisors: 1, 3, 5, 13, 15, 39, 65, 195, 1259, 3777

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -111011111100000001

Octal: -737401

Duodecimal: -BA0A9

Hexadecimal: -3bf01

Square: 60272705025

Square Root: 495.48461126456795

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) = C(n,6) + C(n,5) + C(n,4) + C(n,3) + C(n,2) + C(n,1). A115567

Expansion of -x*(x⁶+3·x⁵+2·x⁴-2·x³-4·x²+4·x-1)/((1-x)²*(1-2·x-x²)²). A111109