Properties of the Number -397689

Three Hundred Ninety-Seven Thousand Six Hundred Eighty-Nine

Basics

Value: -397690 → -397689 → -397688

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 42

Digital Root: 6

Palindrome: No

Factorization: 3 × 19 × 6977

Divisors: 1, 3, 19, 57, 6977, 20931, 132563, 397689

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100001000101111001

Octal: -1410571

Duodecimal: -172189

Hexadecimal: -61179

Square: 158156540721

Square Root: 630.6258795831328

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

T(n,k)=Number of nXk 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors. A183492

Number of inequivalent ways to cut an n X n square into squares with integer sides, such that the dissection has 180-degree rotational symmetry, but no other symmetries. A240124

Number of n X 3 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors. A183486

Number of nX7 0..3 arrays with every element equal to either the sum mod 4 of its vertical neighbors or the sum mod 4 of its horizontal neighbors. A183490