Properties of the Number 90237

Ninety Thousand Two Hundred Thirty-Seven

Basics

Value: 90236 → 90237 → 90238

Parity: odd

Prime: No

Previous Prime: 90227

Next Prime: 90239

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 4297

Divisors: 1, 3, 7, 21, 4297, 12891, 30079, 90237

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110000001111101

Octal: 260175

Duodecimal: 44279

Hexadecimal: 1607d

Square: 8142716169

Square Root: 300.39474030015907

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

Number of (n+1) X (5+1) 0..2 arrays with every 2 X 2 subblock summing to 4 and no 2 X 2 subblock having exactly two nonzero entries. A251146

Number of free polyominoes (or square animals) with n cells. A105

Number of fixed polyominoes with n cells. A1168

Number of chiral pairs of polyominoes with n cells that have precisely the symmetry group of order 4 generated by 90-degree rotations. A144553

Number of rotationally symmetric polyominoes with n cells (that is, polyominoes with exactly the symmetry group C₂ generated by a 180-degree rotation). A6747

Number of asymmetric polyominoes with n cells. A6749

Number of polyominoes with n cells, symmetric about two orthogonal axes. A56877

Number of polyominoes with n cells that have the symmetry group D₈. A142886

Number of axially symmetric polyominoes with n cells. A6746

Number of polyominoes with n cells, symmetric about diagonal 2. A56878