Properties of the Number -397888

Three Hundred Ninety-Seven Thousand Eight Hundred Eighty-Eight

Basics

Value: -397889 → -397888 → -397887

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 43

Digital Root: 7

Palindrome: No

Factorization: 2 ⁶ × 6217

Divisors: 1, 2, 4, 8, 16, 32, 64, 6217, 12434, 24868

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1100001001001000000

Octal: -1411100

Duodecimal: -172314

Hexadecimal: -61240

Square: 158314860544

Square Root: 630.7836396102866

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.: exp(8·x*G(x)⁷) / G(x)⁷ where G(x) = 1 + x·G(x)⁸ is the g.f. of A007556. A251578

G.f. A(x) satisfies: A(x) = x + A( x·A(x) + x·A(x)³ ). A271843