Properties of the Number 91030

Ninety-One Thousand Thirty

Basics

Value: 91029 → 91030 → 91031

Parity: even

Prime: No

Previous Prime: 91019

Next Prime: 91033

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 9103

Divisors: 1, 2, 5, 10, 9103, 18206, 45515, 91030

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001110010110

Octal: 261626

Duodecimal: 4481A

Hexadecimal: 16396

Square: 8286460900

Square Root: 301.711782998278

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

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250898

Number of 6-cycles in the n X n king graph. A288920

Number of isomers of the soccerball C_60H_n Buckminster fullerene. A133998

Number of -n..n arrays x(0..4) of 5 elements with zero sum and no two neighbors summing to zero. A199834

Number of (n+1) X (6+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250896

Number of (3+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250901

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 3X3 plus 2,1 2,2 2,3 1,2 3,2. A146003

Partial sums of powers of 13 (A001022). A91030