3 × 31 × 317 × 653

Prime Factor Structure

Factorization String 3 × 31 × 317 × 653

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 26,620,416

Proper Divisor Sum 7,369,323

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #19251091 ← → #19251097

1 3 31 93 317 653 951 1,959 9,827 20,243 29,481 60,729 207,001 621,003 6,417,031 19,251,093

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

19,251,093 57,753,280 28,876,640 14,438,320 7,219,160 3,609,580 1,804,790 902,395 2,707,186 1,353,593 4,060,780 2,030,390 1,015,195 3,045,586 1,522,793 4,568,380 2,284,190 1,142,095 3,426,286 1,713,143 5,139,430 2,569,715 7,709,146 3,854,573 11,563,720 5,781,860 2,890,930 1,445,465 4,336,396 2,168,198 1,084,099 3,252,298 1,626,149 4,878,448 2,439,224 1,219,612 609,806 304,903 914,710 457,355 1,372,066 686,033 2,058,100 1,029,050 514,525 1,543,576 771,788 385,894 192,947 578,842 289,421 868,264 434,132 217,066 108,533 325,600 162,800 81,400 40,700 20,350

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