Properties of the Number -805491

Eight Hundred Five Thousand Four Hundred Ninety-One

Basics

Value: -805492 → -805491 → -805490

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 29833

Divisors: 1, 3, 9, 27, 29833, 89499, 268497, 805491

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11000100101001110011

Octal: -3045163

Duodecimal: -32A183

Hexadecimal: -c4a73

Square: 648815751081

Square Root: 897.4915041380615

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

Number of connected regular simple graphs of degree 4 (or quartic graphs) with n nodes. A6820

Irregular triangle C(n,g) counting the connected 4-regular simple graphs on n vertices with girth at least g. A184941