Properties of the Number -2662

Six Hundred Sixty-Two

Basics

Value: -2663 → -2662 → -2661

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: Yes

Factorization: 2 × 11 ³

Divisors: 1, 2, 11, 22, 121, 242, 1331, 2662

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001100110

Octal: -5146

Duodecimal: -165A

Hexadecimal: -a66

Square: 7086244

Square Root: 51.59457335805772

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

Expansion of (1+4·x-2·x²-4·x³+4·x⁴) / ((x-1)*(3·x²+3·x+1)*(2·x³+2·x²+4·x+1)). A110685

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(0) + b(1) + ... + b(n-1), where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A295053

a(n+1) = a(n) + a(n-1) + Fibonacci(n), with a(0) = 0 and a(1) = 1. A29907

Number of pairwise coprime strict compositions of n, where a singleton is not considered coprime unless it is (1). A337561

a(n) = 2·n³. A33431

Composite numbers k such that the digits of the prime factors of k are either 1 or 2. A36302

Numbers all of whose divisors are palindromic. A62687

Numbers of the form 2ⁱ * 11^j. A3596

a(n) = 2·n² + 6·n + 2. A90288

Positive integers k such that k-th triangular number is palindromic. A8509