Properties of the Number -400643

Four Hundred Thousand Six Hundred Forty-Three

Basics

Value: -400644 → -400643 → -400642

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 400643

Divisors: 1, 400643

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100001110100000011

Octal: -1416403

Duodecimal: -173A2B

Hexadecimal: -61d03

Square: 160514813449

Square Root: 632.9636640439955

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 3-component Carmichael numbers C = (6M + 1)(12M + 1)(18M + 1) < 10ⁿ. A36060

Prime numbers for which the sum of reciprocals of nonzero digits equals 1. A239685