13 × 79 × 643

Prime Factor Structure

Factorization String 13 × 79 × 643

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 721,280

Proper Divisor Sum 60,919

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #660349 ← → #660367

1 13 79 643 1,027 8,359 50,797 660,361

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

660,361 1,981,084 990,542 495,271 1,485,814 742,907 2,228,722 1,114,361 3,343,084 1,671,542 835,771 2,507,314 1,253,657 3,760,972 1,880,486 940,243 2,820,730 1,410,365 4,231,096 2,115,548 1,057,774 528,887 1,586,662 793,331 2,379,994 1,189,997 3,569,992 1,784,996 892,498 446,249 1,338,748 669,374 334,687 1,004,062 502,031 1,506,094 753,047 2,259,142 1,129,571 3,388,714 1,694,357 5,083,072 2,541,536 1,270,768 635,384 317,692 158,846 79,423 238,270 119,135 357,406 178,703 536,110 268,055 804,166 402,083 1,206,250 603,125 1,809,376 904,688

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