Properties of the Number 22380

Twenty-Two Thousand Three Hundred Eighty

Basics

Value: 22379 → 22380 → 22381

Parity: even

Prime: No

Previous Prime: 22369

Next Prime: 22381

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 373

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011101101100

Octal: 53554

Duodecimal: 10B50

Hexadecimal: 576c

Square: 500864400

Square Root: 149.59946523968594

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 partitions of n in which the greatest part is 9. A26815

The number of regions inside a pentagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. A331929

Polynexus numbers of order 7. A83200

Number of partitions of n into at most 9 parts. A8638

Total sum of the numbers of partitions with positive k-th ranks of all partitions of n. A208479

Number of partitions of n into 9 distinct and relatively prime parts. A341913

Iterations at which Langton's Ant living on triangular tiling reaches the distance of n from the origin for the first time. A275303

Table read by antidiagonals: Place k equally spaced points on each side of a regular n-gon and join every pair of the n*(k+1) boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of regions in the resulting planar graph. A367323

Number of 1's in binary expansion of parts in all partitions of n. A66624

Number of partitions of n into 9 unordered relatively prime parts. A23029