3 × 7 × 37 × 503

Prime Factor Structure

Factorization String 3 × 7 × 37 × 503

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 612,864

Proper Divisor Sum 222,033

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #390829 ← → #390851

1 3 7 21 37 111 259 503 777 1,509 3,521 10,563 18,611 55,833 130,277 390,831

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

390,831 1,172,494 586,247 1,758,742 879,371 2,638,114 1,319,057 3,957,172 1,978,586 989,293 2,967,880 1,483,940 741,970 370,985 1,112,956 556,478 278,239 834,718 417,359 1,252,078 626,039 1,878,118 939,059 2,817,178 1,408,589 4,225,768 2,112,884 1,056,442 528,221 1,584,664 792,332 396,166 198,083 594,250 297,125 891,376 445,688 222,844 111,422 55,711 167,134 83,567 250,702 125,351 376,054 188,027 564,082 282,041 846,124 423,062 211,531 634,594 317,297 951,892 475,946 237,973 713,920 356,960 178,480 89,240

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