3 × 13 × 109 × 193

Prime Factor Structure

Factorization String 3 × 13 × 109 × 193

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,195,040

Proper Divisor Sum 374,597

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #820441 ← → #820459

1 3 13 39 109 193 327 579 1,417 2,509 4,251 7,527 21,037 63,111 273,481 820,443

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

820,443 2,461,330 1,230,665 3,691,996 1,845,998 922,999 2,768,998 1,384,499 4,153,498 2,076,749 6,230,248 3,115,124 1,557,562 778,781 2,336,344 1,168,172 584,086 292,043 876,130 438,065 1,314,196 657,098 328,549 985,648 492,824 246,412 123,206 61,603 184,810 92,405 277,216 138,608 69,304 34,652 17,326 8,663 25,990 12,995 38,986 19,493 58,480 29,240 14,620 7,310 3,655 10,966 5,483 16,450 8,225 24,676 12,338 6,169 18,508 9,254 4,627 13,882 6,941 20,824 10,412 5,206

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