3 × 7 × 163 × 521

Prime Factor Structure

Factorization String 3 × 7 × 163 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,739,456

Proper Divisor Sum 956,073

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1783373 ← → #1783387

1 3 7 21 163 489 521 1,141 1,563 3,423 3,647 10,941 84,923 254,769 594,461 1,783,383

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

1,783,383 5,350,150 2,675,075 8,025,226 4,012,613 12,037,840 6,018,920 3,009,460 1,504,730 752,365 2,257,096 1,128,548 564,274 282,137 846,412 423,206 211,603 634,810 317,405 952,216 476,108 238,054 119,027 357,082 178,541 535,624 267,812 133,906 66,953 200,860 100,430 50,215 150,646 75,323 225,970 112,985 338,956 169,478 84,739 254,218 127,109 381,328 190,664 95,332 47,666 23,833 71,500 35,750 17,875 53,626 26,813 80,440 40,220 20,110 10,055 30,166 15,083 45,250 22,625 67,876

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