2 × 3³ × 13 × 31

Prime Factor Structure

Factorization String 2 × 3^3 × 13 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 53,760

Proper Divisor Sum 31,998

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21757 ← → #21767

1 2 3 6 9 13 18 26 27 31 39 54 62 78 93 117 186 234 279 351 403 558 702 806 837 1,209 1,674 2,418 3,627 7,254 10,881 21,762

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

21,762 10,881 32,644 16,322 8,161 24,484 12,242 6,121 18,364 9,182 4,591 13,774 6,887 20,662 10,331 30,994 15,497 46,492 23,246 11,623 34,870 17,435 52,306 26,153 78,460 39,230 19,615 58,846 29,423 88,270 44,135 132,406 66,203 198,610 99,305 297,916 148,958 74,479 223,438 111,719 335,158 167,579 502,738 251,369 754,108 377,054 188,527 565,582 282,791 848,374 424,187 1,272,562 636,281 1,908,844 954,422 477,211 1,431,634 715,817 2,147,452 1,073,726

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.