Properties of the Number -442406

Four Hundred Forty-Two Thousand Four Hundred Six

Basics

Value: -442407 → -442406 → -442405

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 221203

Divisors: 1, 2, 221203, 442406

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101100000000100110

Octal: -1540046

Duodecimal: -194032

Hexadecimal: -6c026

Square: 195723068836

Square Root: 665.1360763031878

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

a(n) is the smallest m such that m! > exp(n·m); or where the mean of the logs of the first m integers exceeds n. A245285

Least k such that log(ceiling(sqrt(k!))²-k!)/k > n. A181908