Properties of the Number 28300

Twenty-Eight Thousand Three Hundred

Basics

Value: 28299 → 28300 → 28301

Parity: even

Prime: No

Previous Prime: 28297

Next Prime: 28307

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 ² × 283

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 283

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111010001100

Octal: 67214

Duodecimal: 14464

Hexadecimal: 6e8c

Square: 800890000

Square Root: 168.2260384126072

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 non-isomorphic multiset partitions of weight n whose part-sizes have a common divisor > 1. A320810

a(n) = A003415(A276085(n)), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function. A373842

Number of positive integers <= 10ⁿ that are divisible by no prime exceeding 5. A106598

Triangle read by rows: T(n,k) = A003415(A002110(n)+A002110(k)), 0 <= k <= n; arithmetic derivatives of the sums of two primorial numbers. A370129

Numbers k such that 1000k+1, 1000k+3, 1000k+7, 1000k+9 are all primes. A64962

Numbers k such that k and k² use only the digits 0, 2, 3, 8 and 9. A136896

Number of n X 2 0..1 arrays with no element equal to a strict majority of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A279162

Numbers k such that Bernoulli number B_k has denominator 33330. A295589

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A213108. A384801

a(n) is the number of triangular partitions whose Young diagram fits inside a square of side n. A368638