Properties of the Number 28907

Twenty-Eight Thousand Nine Hundred Seven

Basics

Value: 28906 → 28907 → 28908

Parity: odd

Prime: No

Previous Prime: 28901

Next Prime: 28909

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 137 × 211

Divisors: 1, 137, 211, 28907

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000011101011

Octal: 70353

Duodecimal: 1488B

Hexadecimal: 70eb

Square: 835614649

Square Root: 170.02058698875263

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 nXk 0..2 arrays with no more than floor(nXk/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. A223126

Number of nX4 0..2 arrays with no more than floor(nX4/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. A223122

Number of 3Xn 0..2 arrays with no more than floor(3Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order. A223128

Arrange digits of squares in ascending order. A28907

Number of nX4 0..1 arrays with each 1 adjacent to 1, 3 or 5 king-move neighboring 1s. A296948