Properties of the Number -501809

Five Hundred One Thousand Eight Hundred Nine

Basics

Value: -501810 → -501809 → -501808

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 ⁴ × 11 × 19

Divisors: 1, 7, 11, 19, 49, 77, 133, 209, 343, 539

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111010100000110001

Octal: -1724061

Duodecimal: -202495

Hexadecimal: -7a831

Square: 251812272481

Square Root: 708.3847824452471

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

a(n) = 7·a(n-1) - 14·a(n-2) + 7·a(n-3) with a(0)=0, a(1)=7, a(2)=35. A215510

Y-coordinates of the lower envelope of A373330. A373332

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (-1, 1, 0), (0, -1, 1), (0, 1, -1), (1, 1, 1)}. A149769