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Properties of the Number -642121

Six Hundred Forty-Two Thousand One Hundred Twenty-One

Basics

Value: -642122 → -642121 → -642120

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 642121

Divisors: 1, 642121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Representations

Octal: -2346111

Duodecimal: -26B721

Hexadecimal: -9cc49

Square: 412319378641

Square Root: 801.3245285151329

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