Properties of the Number 2130

Two Thousand One Hundred Thirty

Basics

Value: 2129 → 2130 → 2131

Parity: even

Prime: No

Previous Prime: 2129

Next Prime: 2131

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 71

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 71, 142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100001010010

Octal: 4122

Duodecimal: 1296

Hexadecimal: 852

Square: 4536900

Square Root: 46.151923036857305

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

Coordination sequence for "pcu-i" 3D uniform tiling. A299277

Numbers k such that (1) the k-th composition in standard order contains no 1's, and (2) there is no composition whose first sums are the k-th composition in standard order. A390678

Growth series for affine Coxeter group B₄. A267167

Numbers whose binary indices and prime indices have the same sum. A372427

a(n) = ∑_k=1..n floor(n/k)². A222548

Multiples of 6 such that the sum of the digits is equal to 6. A62768

a(n) = n² + 14. A114962

a(n) = (3/2)*a(n-1) if a(n-1) is even; (3/2)*(a(n-1)+1) if a(n-1) is odd. A70885

Numbers whose digits are a permutation of [0,...,n] and which contain the product of any two adjacent digits as a substring. A203569

Numbers j such that j and 2j are both between a pair of twin primes. A66388