Properties of the Number 28874

Twenty-Eight Thousand Eight Hundred Seventy-Four

Basics

Value: 28873 → 28874 → 28875

Parity: even

Prime: No

Previous Prime: 28871

Next Prime: 28879

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 14437

Divisors: 1, 2, 14437, 28874

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 111000011001010

Octal: 70312

Duodecimal: 14862

Hexadecimal: 70ca

Square: 833707876

Square Root: 169.9235122047564

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 solution to the postage stamp problem with 6 denominations and n stamps. A1211

Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 6. A245146

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2) - 3·b(n-3), where a(0) = 1, a(1) = 3, a(2) = 5, b(0) = 2, b(1) = 4, b(2) = 6, and (a(n)) and (b(n)) are increasing complementary sequences. A295360

a(n) is the least number k such that the k-th difference between consecutive practical numbers, A179651(k), equals 2·n, or -1 if no such k exists. A364706

Number of 5-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first and second differences in -n..n. A208972

Number of permutations of floor(i·7/6), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique. A147904

Number of permutations of floor(i·7/6), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique. A147913

Primes of form k² - 3. A28874

Total sum of n-th powers of parts in all partitions of 6. A229357