13 × 43 × 37643

Prime Factor Structure

Factorization String 13 × 43 × 37643

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 23,188,704

Proper Divisor Sum 2,146,267

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #21042419 ← → #21042449

1 13 43 559 37,643 489,359 1,618,649 21,042,437

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

21,042,437 63,127,312 31,563,656 15,781,828 7,890,914 3,945,457 11,836,372 5,918,186 2,959,093 8,877,280 4,438,640 2,219,320 1,109,660 554,830 277,415 832,246 416,123 1,248,370 624,185 1,872,556 936,278 468,139 1,404,418 702,209 2,106,628 1,053,314 526,657 1,579,972 789,986 394,993 1,184,980 592,490 296,245 888,736 444,368 222,184 111,092 55,546 27,773 83,320 41,660 20,830 10,415 31,246 15,623 46,870 23,435 70,306 35,153 105,460 52,730 26,365 79,096 39,548 19,774 9,887 29,662 14,831 44,494 22,247

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