Properties of the Number 26335

Twenty-Six Thousand Three Hundred Thirty-Five

Basics

Value: 26334 → 26335 → 26336

Parity: odd

Prime: No

Previous Prime: 26321

Next Prime: 26339

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 23 × 229

Divisors: 1, 5, 23, 115, 229, 1145, 5267, 26335

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011011011111

Octal: 63337

Duodecimal: 132A7

Hexadecimal: 66df

Square: 693532225

Square Root: 162.28062114744324

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

Number of monotone Boolean functions of n variables with 2 mincuts. Also number of Sperner systems with 2 blocks. A16269

Triangle read by rows: 2-Stirling numbers of the second kind. A143494

Triangle read by rows: T(n,k) = number of forests of k labeled rooted trees of height at most 1, with n labels, where any root may contain >= 1 labels, n >= 0, 0 <= k <= n. A143395

Triangular numbers that are the sum of three consecutive triangular numbers. A129803

a(n) = n*(13·n² - 7)/6. A62025

Expansion of e.g.f. exp(x * (1+x)²). A361278

Odd composite numbers k such that A053575(k) [the odd part of φ] divides k-1. A339880

Composite numbers n such that λ(n) divides 2n-2, where λ is the Carmichael λ function (A002322). A231569

Expansion of exp( ∑_n>=1 -sigma₉(n)*xⁿ/n ) in powers of x. A283339

Number T(n,k) of matchings of size k in the n X n X n triangular grid; triangle T(n,k), n>=0, 0<=k<=floor(n*(n+1)/4), read by rows. A288852