Properties of the Number 27220

Twenty-Seven Thousand Two Hundred Twenty

Basics

Value: 27219 → 27220 → 27221

Parity: even

Prime: No

Previous Prime: 27211

Next Prime: 27239

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 1361

Divisors: 1, 2, 4, 5, 10, 20, 1361, 2722, 5444, 6805

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110101001010100

Octal: 65124

Duodecimal: 13904

Hexadecimal: 6a54

Square: 740928400

Square Root: 164.98484778912274

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) = prime(n)*prime(n-1) - 1. A23515

Number of ways in which n identical balls can be distributed among 5 boxes in a row such that each pair of adjacent boxes contains at least 4 balls. A5338

Number of compositions of n with the LMV property. A188576

The number of edges formed on a triangle with leg lengths equal to the Pythagorean triples by the straight line segments mutually connecting all vertices and all points that divide the sides into unit length parts. A333137

a(n) = 25·n² - 5. A158446

Number of trees on n nodes with forbidden limbs. A14265

Number of compositions of n such that two adjacent parts are not equal modulo 3. A62201

Number of trees on n nodes with forbidden limbs. A14266

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite VET = VPI-8 [Si17O34] starting with a T3 atom. A19249

a(n) = ∑_k=0..n (k+1) * A026736(n,n-k). A27220