Properties of the Number -144440

One Hundred Forty-Four Thousand Four Hundred Forty

Basics

Value: -144441 → -144440 → -144439

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 5 × 23 × 157

Divisors: 1, 2, 4, 5, 8, 10, 20, 23, 40, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -100011010000111000

Octal: -432070

Duodecimal: -6B708

Hexadecimal: -23438

Square: 20862913600

Square Root: 380.05262793460594

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

Expansion of ∏_k>=1 ((1+x^k)/(1-x^k))^2·k. A261386

a(n) = 361·n² + 2·n. A158309

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 19. A31697