Properties of the Number 28600

Twenty-Eight Thousand Six Hundred

Basics

Value: 28599 → 28600 → 28601

Parity: even

Prime: No

Previous Prime: 28597

Next Prime: 28603

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 ² × 11 × 13

Divisors: 1, 2, 4, 5, 8, 10, 11, 13, 20, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111110111000

Octal: 67670

Duodecimal: 14674

Hexadecimal: 6fb8

Square: 817960000

Square Root: 169.11534525287763

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 such that (68·10^k + 7)/3 is prime. A270613

T(n,k)=Number of (n+2)X(k+2) nonnegative integer arrays with all values the knight distance from the upper left minus as much as 2, with successive minimum path knight move differences either 0 or +1, and any unreachable value zero. A253119

Number of ways to write n as an ordered sum of 5 squarefree numbers. A341065

The sum of the numbers inside the squares of incrementing size n·n when the square spiral is tiled with these squares, where each tile contains numbers which sum to the minimum possible value, and each number on the spiral can only be in one tile. A341160

G.f.: 1/((1-x)*(1-x²))⁵. A38165

Numbers with an equal number of deficient and abundant divisors. A335543

Numbers k such that sopfr(k) = sopfr(k - sopfr(k)). A50781

Numbers n such that { x +- 2^k : 0 < k < 4 } are primes, where x = 210·n - 105. A61671

T(n,k) = ∑_i=0..k (-1)^k-i*binomial(k,i)*A000670(n-k+i). A122101

a(n) is the least positive integer divisible by exactly n primitive nondeficient numbers (A006039). A337691