3 × 7 × 139 × 239

Prime Factor Structure

Factorization String 3 × 7 × 139 × 239

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,075,200

Proper Divisor Sum 377,559

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #697637 ← → #697643

1 3 7 21 139 239 417 717 973 1,673 2,919 5,019 33,221 99,663 232,547 697,641

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

697,641 2,092,924 1,046,462 523,231 1,569,694 784,847 2,354,542 1,177,271 3,531,814 1,765,907 5,297,722 2,648,861 7,946,584 3,973,292 1,986,646 993,323 2,979,970 1,489,985 4,469,956 2,234,978 1,117,489 3,352,468 1,676,234 838,117 2,514,352 1,257,176 628,588 314,294 157,147 471,442 235,721 707,164 353,582 176,791 530,374 265,187 795,562 397,781 1,193,344 596,672 298,336 149,168 74,584 37,292 18,646 9,323 27,970 13,985 41,956 20,978 10,489 31,468 15,734 7,867 23,602 11,801 35,404 17,702 8,851 26,554

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