Properties of the Number 7130

Seven Thousand One Hundred Thirty

Basics

Value: 7129 → 7130 → 7131

Parity: even

Prime: No

Previous Prime: 7129

Next Prime: 7151

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 23 × 31

Divisors: 1, 2, 5, 10, 23, 31, 46, 62, 115, 155

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111011010

Octal: 15732

Duodecimal: 4162

Hexadecimal: 1bda

Square: 50836900

Square Root: 84.4393273303382

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

Numbers whose sum of divisors is a cube. A20477

5 times pentagonal numbers: 5·n*(3·n-1)/2. A152734

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 1 vertically. A207368

Multiplicative encoding of triangle formed by reading Pascal's triangle mod 2 (A047999). A123098

Squarefree numbers having exactly three prime gaps. A73489

Susceptibility series H₂ for 2-dimensional Ising model (divided by 2). A54275

Sum of first n 4-almost primes. A86046

Numbers k such that k!!!!! - 1 is prime. A85149

Square array A(r,c) = A019565(A277820(r,c)), read by descending antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc. A277810

Triangle read by rows: T(n,k) = number of noncrossing path sets on n nodes up to rotation with k paths and isolated vertices allowed. A303869