Properties of the Number 28902

Twenty-Eight Thousand Nine Hundred Two

Basics

Value: 28901 → 28902 → 28903

Parity: even

Prime: No

Previous Prime: 28901

Next Prime: 28909

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 4817

Divisors: 1, 2, 3, 6, 4817, 9634, 14451, 28902

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000011100110

Octal: 70346

Duodecimal: 14886

Hexadecimal: 70e6

Square: 835325604

Square Root: 170.0058822511739

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

a(n) is the least index such that the least primitive root of the a(n)-th prime is n, or zero if no such prime exists. A66529

Members of 3-cycles of permutation A111273. A113701

a(0) = 1, a(n) = 25·n² + 2 for n > 0. A10015

G.f.: ∑_n>=1 xⁿ * (1+x)ⁿ / (1-xⁿ). A227635

Map n = Sum c_i 10ⁱ to a(n) = Sum c_i 7ⁱ. A28902

Minimal number of generators of the monoid of n X n Boolean matrices. A346686