Properties of the Number -420921

Four Hundred Twenty Thousand Nine Hundred Twenty-One

Basics

Value: -420922 → -420921 → -420920

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 46769

Divisors: 1, 3, 9, 46769, 140307, 420921

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1100110110000111001

Octal: -1466071

Duodecimal: -183709

Hexadecimal: -66c39

Square: 177174488241

Square Root: 648.7842476509429

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

Number of decimal digits in n-th Mersenne prime. A28335

Number of digits in n-th even superperfect number A061652(n). A138883