Properties of the Number -204745

Two Hundred Four Thousand Seven Hundred Forty-Five

Basics

Value: -204746 → -204745 → -204744

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 40949

Divisors: 1, 5, 40949, 204745

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110001111111001001

Octal: -617711

Duodecimal: -9A5A1

Hexadecimal: -31fc9

Square: 41920515025

Square Root: 452.48756889001936

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

E.g.f.: ∑_n>=0 nⁿ * xⁿ / (n! * ∏_k=0..n (1 - n·k*x)). A227207

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 43. A31631