Properties of the Number -642135

Six Hundred Forty-Two Thousand One Hundred Thirty-Five

Basics

Value: -642136 → -642135 → -642134

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 13 × 37 × 89

Divisors: 1, 3, 5, 13, 15, 37, 39, 65, 89, 111

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011100110001010111

Octal: -2346127

Duodecimal: -26B733

Hexadecimal: -9cc57

Square: 412337358225

Square Root: 801.333264004434

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

Pendulum numbers: alternately append n to beginning or end of previous term. A53063

Concatenate the decimal numbers n n-2 n-4 ...5 3 1 2 4 ... n-5 n-3 n-1 if n is odd, or n n-2 n-4 ... 6 4 2 1 3 5 ... n-5 n-3 n-1 if n is even. A281254