Properties of the Number 2662

Two Thousand Six Hundred Sixty-Two

Basics

Value: 2661 → 2662 → 2663

Parity: even

Prime: No

Previous Prime: 2659

Next Prime: 2663

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

Today's Target

8509 Try Today's Challenge

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

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

Palindromes with even number of digits. A56524