Properties of the Number 28847

Twenty-Eight Thousand Eight Hundred Forty-Seven

Basics

Value: 28846 → 28847 → 28848

Parity: odd

Prime: No

Previous Prime: 28843

Next Prime: 28859

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 7 × 13 × 317

Divisors: 1, 7, 13, 91, 317, 2219, 4121, 28847

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000010101111

Octal: 70257

Duodecimal: 1483B

Hexadecimal: 70af

Square: 832149409

Square Root: 169.84404611289736

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

Numbers k whose sum of digits exceeds the sum of the digits of k³. A64209

Numbers k such that A007953(k) >= A007953(k³), where A007953 = digital sum in base 10. A204324

Positive integers m with 2·m² - 2⁴ = x⁴ + y⁴ for some nonnegative integers·and y with |x-y| > 2. A343917

Numbers that are the product of 3 prime factors whose concatenation is a palindrome. A46452

Expansion of ∏_k>=1 (1 - x^k)^A000593(k). A316366

a(n) = ∑_k>=0 n^k * log(k)^k / k!, rounded to nearest integer. A318639

Expansion of g.f. A(x) satisfying 0 = ∑_n>=0 (-1)ⁿ * x^n*(n-1/2) * A(x)ⁿ / ∏_k=1..n+1 (1 - x^k). A363557

Numbers k such that F(k)*F(k+1) - F(k+2) is prime, where F = A000045. A305415

Number of composite labeled topologies on n points. A28847