Properties of the Number 26286

Twenty-Six Thousand Two Hundred Eighty-Six

Basics

Value: 26285 → 26286 → 26287

Parity: even

Prime: No

Previous Prime: 26267

Next Prime: 26293

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 13 × 337

Divisors: 1, 2, 3, 6, 13, 26, 39, 78, 337, 674

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110011010101110

Octal: 63256

Duodecimal: 13266

Hexadecimal: 66ae

Square: 690953796

Square Root: 162.1295778073822

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

Expansion of (1+4·x+x²)/((1+x)²*(1-x)⁵). A233329

Integers which can be written in exactly three ways as sum of two distinct nonzero pentagonal numbers. A333013

Number of edges in a hexagon when n internal hexagons are drawn between the 6n points that divide each side into n+1 equal parts. A357198

Number of (w,x,y,z) with all terms in {1,...,n} and w·x<=y·z+2. A212055

G.f.: A(x) = 1/C(-x·T(x)³), where C(x) = 1 + x·C(x)² is the g.f. of A000108 and T(x) = 1 + x·T(x)³ is the g.f. of A001764. A347953

Numbers n such that the sum of the digits of ∑_k=1..n (k!) is divisible by n. A109657

Numbers n such that Bernoulli number B_n has denominator 3318. A272383

a(n) is the least integer k such that some multiple of sqrt(k) falls strictly between n and n+1. A261865

a(n) = greatest k such that s(k) = n, where s = A026284. A26286