Properties of the Number -330905

Three Hundred Thirty Thousand Nine Hundred Five

Basics

Value: -330906 → -330905 → -330904

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 17 ² × 229

Divisors: 1, 5, 17, 85, 229, 289, 1145, 1445, 3893, 19465

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1010000110010011001

Octal: -1206231

Duodecimal: -13B5B5

Hexadecimal: -50c99

Square: 109498119025

Square Root: 575.2434267334135

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) = ∑_k=1..n binomial(n*(m+1)-m·k-1, n-k)*k/(n·m-(m-1)*k), for m=7. A376447

Numbers k such that 10·R_k + 9 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A56659

Number of (n+1) X 5 binary arrays with every 2 X 2 subblock commuting with each of its horizontal and vertical 2 X 2 subblock neighbors. A186457