Properties of the Number -397728

Three Hundred Ninety-Seven Thousand Seven Hundred Twenty-Eight

Basics

Value: -397729 → -397728 → -397727

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ² × 1381

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100001000110100000

Octal: -1410640

Duodecimal: -172200

Hexadecimal: -611a0

Square: 158187561984

Square Root: 630.6568004866039

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

Triangle T, read by rows, where column k of T equals (k+1)*(column k of T²) when shifted to have an initial '1'; i.e., T(n,k) = (k+1)*[T²](n-1,k) for n>k>=0, with T(n,n)=1 for n>=0. A123305

Column 1 of triangle A123305. A123307