3 × 7 × 307 × 311

Prime Factor Structure

Factorization String 3 × 7 × 307 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,075,072

Proper Divisor Sum 1,070,055

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #2005001 ← → #2005019

1 3 7 21 307 311 921 933 2,149 2,177 6,447 6,531 95,477 286,431 668,339 2,005,017

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

2,005,017 6,015,052 3,007,526 1,503,763 4,511,290 2,255,645 6,766,936 3,383,468 1,691,734 845,867 2,537,602 1,268,801 3,806,404 1,903,202 951,601 2,854,804 1,427,402 713,701 2,141,104 1,070,552 535,276 267,638 133,819 401,458 200,729 602,188 301,094 150,547 451,642 225,821 677,464 338,732 169,366 84,683 254,050 127,025 381,076 190,538 95,269 285,808 142,904 71,452 35,726 17,863 53,590 26,795 80,386 40,193 120,580 60,290 30,145 90,436 45,218 22,609 67,828 33,914 16,957 50,872 25,436 12,718

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