3 × 17 × 53 × 193

Prime Factor Structure

Factorization String 3 × 17 × 53 × 193

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 754,272

Proper Divisor Sum 232,593

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #521671 ← → #521693

1 3 17 51 53 159 193 579 901 2,703 3,281 9,843 10,229 30,687 173,893 521,679

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

521,679 1,565,038 782,519 2,347,558 1,173,779 3,521,338 1,760,669 5,282,008 2,641,004 1,320,502 660,251 1,980,754 990,377 2,971,132 1,485,566 742,783 2,228,350 1,114,175 3,342,526 1,671,263 5,013,790 2,506,895 7,520,686 3,760,343 11,281,030 5,640,515 16,921,546 8,460,773 25,382,320 12,691,160 6,345,580 3,172,790 1,586,395 4,759,186 2,379,593 7,138,780 3,569,390 1,784,695 5,354,086 2,677,043 8,031,130 4,015,565 12,046,696 6,023,348 3,011,674 1,505,837 4,517,512 2,258,756 1,129,378 564,689 1,694,068 847,034 423,517 1,270,552 635,276 317,638 158,819 476,458 238,229 714,688

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