Properties of the Number 28546

Twenty-Eight Thousand Five Hundred Forty-Six

Basics

Value: 28545 → 28546 → 28547

Parity: even

Prime: No

Previous Prime: 28541

Next Prime: 28547

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 2039

Divisors: 1, 2, 7, 14, 2039, 4078, 14273, 28546

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111110000010

Octal: 67602

Duodecimal: 1462A

Hexadecimal: 6f82

Square: 814874116

Square Root: 168.95561547341362

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 integer partitions of n whose multiset of multiplicities has integer mean. A360069

G.f. A(x) satisfies A(x) = 1 / ((1 + x) * (1 - x·A(x⁴))). A367694

Integers n > 10583 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 10583. A66055

Number of distinct values taken by 8th derivative of x^x^...^x (with n x's and parentheses inserted in all possible ways) at x=1. A215971

G.f. satisfies A(x) = exp( ∑_k>=1 ((-3)^k + A(x^k)) * x^k/k ). A363579

a(n) = number of primes < n⁴. A380331

Sum of multinomials of (-1 + number of runs) in the partitions of n. A80528

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 555", based on the 5-celled von Neumann neighborhood. A272922

Concatenating n with n+1 (in base 10) gives a number which is the product of 2 palindromes. A113942

Expansion of x*(x³+2·x²+3·x-1)/(x+1)⁵. A119515