Properties of the Number 22870

Twenty-Two Thousand Eight Hundred Seventy

Basics

Value: 22869 → 22870 → 22871

Parity: even

Prime: No

Previous Prime: 22861

Next Prime: 22871

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 2287

Divisors: 1, 2, 5, 10, 2287, 4574, 11435, 22870

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100101010110

Octal: 54526

Duodecimal: 1129A

Hexadecimal: 5956

Square: 523036900

Square Root: 151.2283042290695

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 integer partitions of n containing three parts (a,b,c) (repeats allowed) such that a + b = c. A variation of sum-full partitions. A363225

Starting from generation 8 add previous and next term yielding generation 9. A48455

Number of gap-free but not complete compositions of n. A251729

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with upper left element zero. A231144

Consider the figure made up of a row of n adjacent congruent rectangles, with diagonals of all possible rectangles drawn; a(n) is the number of interior vertices where exactly four lines cross. A336490

a(n) = 1 + ∑_k=1..n-5 a(k) * a(n-k-5). A346077

Shifts left under "DIJ" (bracelet, indistinct, labeled) transform, with a(1)=2. A32272

Number of partitions of n with difference 10 between the number of odd parts and the number of even parts, both counted without multiplicity. A242701

Number of (n+1) X (2+1) 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with upper left element zero. A231139

Number of (n+1)X(3+1) 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with upper left element zero. A231140