Properties of the Number -420441

Four Hundred Twenty Thousand Four Hundred Forty-One

Basics

Value: -420442 → -420441 → -420440

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 20021

Divisors: 1, 3, 7, 21, 20021, 60063, 140147, 420441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100110101001011001

Octal: -1465131

Duodecimal: -183389

Hexadecimal: -66a59

Square: 176770634481

Square Root: 648.4142194616031

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

Coefficients in the expansion of 1/([r]-[2·r]*x+[3·r]*x²-...); [ ]=floor, r=sqrt(e). A288235

Coefficients in the expansion of 1/([r]-[2·r]*x+[3·r]*x²-...); [ ]=floor, r=-4/5+sqrt(6). A288236

Coefficients in the expansion of 1/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = sqrt(e). A279595