Properties of the Number 28901

Twenty-Eight Thousand Nine Hundred One

Basics

Value: 28900 → 28901 → 28902

Parity: odd

Prime: Yes

Previous Prime: 28879

Next Prime: 28909

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 28901

Divisors: 1, 28901

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000011100101

Octal: 70345

Duodecimal: 14885

Hexadecimal: 70e5

Square: 835267801

Square Root: 170.00294115102832

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

Primes of the form k² + 1. A2496

Primes p such that continued fraction of (1 + sqrt(p))/2 has period 3. A146348

Primes of the form 4·k² + 1. A121326

Odd powers of primes of the form q = x² + 1 (A002496). A54755

a(n) = 4·a(n-1) - a(n-2) with a(0) = 4 and a(1) = 11. A77236

Combined Diophantine Chebyshev sequences A077236 and A077235. A77238

A239459(n) / n. A239462

Primes which remain prime after one and after two applications of the rotate-and-add operation of A086002. A86003

Primes which remain prime after one and after two and after three applications of the rotate-and-add operation of A086002. A86004

Primes of the form 1+A162143(k). A164517