Properties of the Number 12219

Twelve Thousand Two Hundred Nineteen

Basics

Value: 12218 → 12219 → 12220

Parity: odd

Prime: No

Previous Prime: 12211

Next Prime: 12227

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 4073

Divisors: 1, 3, 4073, 12219

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111110111011

Octal: 27673

Duodecimal: 70A3

Hexadecimal: 2fbb

Square: 149303961

Square Root: 110.53958566956908

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

Nonascending wiggly sums: number of sums adding to n in which terms alternately do not increase and do not decrease. A129853

Magic sums of 3 X 3 semimagic squares composed of positive squares. A269061

Number T(n,k) of partitions of [n] having exactly k parity changes within their blocks, n>=0, 0<=k<=max(0,n-1), read by rows. A363493

Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) >= number of distinct parts of p. A241821

Number of generalized Young tableaux with constant rows, weakly increasing columns, and entries summing to n. A323582

Start with two vertices and draw a circle around each whose radius is the distance between the vertices. The sequence gives the number of regions constructed after n iterations of drawing circles with this same radius around every new vertex created from all circles' intersections. A374337

Where records occur in A119451. A119453

A transform of A103210. A166696

Magic sums of 3 X 3 semimagic squares composed of squares. A265198

Magic sums of 3 X 3 semimagic squares composed of odd squares. A269297