Properties of the Number 28266

Twenty-Eight Thousand Two Hundred Sixty-Six

Basics

Value: 28265 → 28266 → 28267

Parity: even

Prime: No

Previous Prime: 28229

Next Prime: 28277

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 673

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 673, 1346

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111001101010

Octal: 67152

Duodecimal: 14436

Hexadecimal: 6e6a

Square: 798966756

Square Root: 168.1249535315921

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 n such that Bernoulli number B_n has denominator 1806. A272139

Number of 8-line partitions of n (i.e., planar partitions of n with at most 8 lines). A225198

Real parts of the recursive sequence a(n+2) = ∑_k=0..n binomial(n,k)*a(k)*a(n+1-k), with a(0)=1, a(1)=i. A289082

Number of 2n-step self avoiding closed walks on square grid, restricted to a quadrant and passing through origin. A34010

G.f. satisfies: A(x) = 1 + x·A(x)*A(-x) + x²*A(x)/A(-x). A209199

Consider the partitions of n in reverse lexicographic ordering (A080577), a(n) is the position of the partition of n which has the maximum LCM. See A000793. A213952

a(n) = 64·n² + 2·n. A158070

Expansion of A(x) satisfying [xⁿ] A(x) / (1 + x·A(x)ⁿ⁺²) = 0 for n > 0. A360584

Numbers k such that (2^k + 1)³ - 2 is a semiprime. A360994

Even elements in 3-Pascal triangle A028262 (by row). A28266