Properties of the Number 28903

Twenty-Eight Thousand Nine Hundred Three

Basics

Value: 28902 → 28903 → 28904

Parity: odd

Prime: No

Previous Prime: 28901

Next Prime: 28909

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 4129

Divisors: 1, 7, 4129, 28903

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000011100111

Octal: 70347

Duodecimal: 14887

Hexadecimal: 70e7

Square: 835383409

Square Root: 170.00882330043933

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

Odd numbers which are factored to the same set of primes in Z as to the irreducible polynomials in GF(2)[X]; odd terms of A235036. A235039

In base 8: a(n) sets a new record for the number of Reverse and Add! steps needed to reach a palindrome starting with a(n). A306599

Semiprimes of the form k² + 3. A360740

a(n) = floor(10000·log(n)). A4243

Number of ways to place two non-attacking kings on all free n-ominoes. A171010

Map n = Sum c_i 10ⁱ to a(n) = Sum c_i 8ⁱ. A28903

Number of nX4 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302305