Properties of the Number -390621

Three Hundred Ninety Thousand Six Hundred Twenty-One

Basics

Value: -390622 → -390621 → -390620

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 11 × 19 × 89

Divisors: 1, 3, 7, 11, 19, 21, 33, 57, 77, 89

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1011111010111011101

Octal: -1372735

Duodecimal: -16A079

Hexadecimal: -5f5dd

Square: 152584765641

Square Root: 624.996799991808

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

Positive solutions of Monkey and Coconuts Problem for the classic case (5 sailors, 1 coconut to the monkey): a(n) = 15625·n - 4 for n >= 1. A254029

a(n) = 5ⁿ - 4. A164785