Properties of the Number -380488

Three Hundred Eighty Thousand Four Hundred Eighty-Eight

Basics

Value: -380489 → -380488 → -380487

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 199 × 239

Divisors: 1, 2, 4, 8, 199, 239, 398, 478, 796, 956

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1011100111001001000

Octal: -1347110

Duodecimal: -164234

Hexadecimal: -5ce48

Square: 144771118144

Square Root: 616.837093566851

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 solutions to the equation p_i = (1+mod(i,2))*p_i-1 +- p_i-2 +- p_i-3 +- ... +- 2 +- 1, where p_i is the i-th prime number (where p₁ = 2 and the "zeroth prime" p₀ is defined to be 1). A59871

G.f. A(x) satisfies: A(x) = (1 - x²*A(x)²)/(1 - x²*A(x)² - x³*A(x)³). A307529