Properties of the Number -1326665

Three Hundred Twenty-Six Thousand Six Hundred Sixty-Five

Basics

Value: -1326666 → -1326665 → -1326664

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 × 265333

Divisors: 1, 5, 265333, 1326665

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101000011111001001001

Octal: -5037111

Duodecimal: -53B8B5

Hexadecimal: -143e49

Square: 1760040022225

Square Root: 1151.8094460456557

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(1)=2, a(2)=5, a(n)=2·a(n-1) + 5·a(n-2). A189734

Number of (n+2) X (2+2) 0..1 arrays with no 3·3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 or 1 and no column sum 0 or 1. A255021