Properties of the Number -229840

Two Hundred Twenty-Nine Thousand Eight Hundred Forty

Basics

Value: -229841 → -229840 → -229839

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 5 × 13 ² × 17

Divisors: 1, 2, 4, 5, 8, 10, 13, 16, 17, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -111000000111010000

Octal: -700720

Duodecimal: -B1014

Hexadecimal: -381d0

Square: 52826425600

Square Root: 479.4163117792301

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=0..n (k+1) * binomial(k,3*(n-k)). A392044

a(n) = ∑_{k=0..floor(2·n/3)} (k+1) * binomial(k,2·n-3·k). A392267