Properties of the Number 28611

Twenty-Eight Thousand Six Hundred Eleven

Basics

Value: 28610 → 28611 → 28612

Parity: odd

Prime: No

Previous Prime: 28607

Next Prime: 28619

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 × 17 ²

Divisors: 1, 3, 9, 11, 17, 33, 51, 99, 153, 187

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110111111000011

Octal: 67703

Duodecimal: 14683

Hexadecimal: 6fc3

Square: 818589321

Square Root: 169.1478643081254

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 number of integers k in range [2ⁿ, (2ⁿ⁺¹)-1] such that all terms in finite sequence [k, floor(k/2), floor(k/4), floor(k/8), ..., 1] are squarefree. A293230

Number of partitions of n such that (greatest part) - (least part) < number of parts. A237830

Number of integer compositions of n with no ones or runs of length 1. A353508

Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 8. A240017

a(n) is least k such that k and 6k are anagrams in base n (written in base 10). A23098

Numbers k such that 7·10^k + 6·R_k + 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A103065

Integers of the form "partial sum of the first k nonprimes divided by the k-th nonprime.". A165239

Ordered (2,2)-selections from the multiset {1,1,2,2,3,3,...,n,n}. A188667

Number of balanced ternary words of length n. A260938

Numbers k such that k = rad(k) * sopfr(k), where rad(k) is the squarefree kernel of k and sopfr(k) the integer log of k. A280935