19 × 29 × 139 × 263

Prime Factor Structure

Factorization String 19 × 29 × 139 × 263

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 22,176,000

Proper Divisor Sum 2,033,093

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #20142887 ← → #20142919

1 19 29 139 263 551 2,641 4,031 4,997 7,627 36,557 76,589 144,913 694,583 1,060,153 20,142,907

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

20,142,907 60,428,722 30,214,361 90,643,084 45,321,542 22,660,771 67,982,314 33,991,157 101,973,472 50,986,736 25,493,368 12,746,684 6,373,342 3,186,671 9,560,014 4,780,007 14,340,022 7,170,011 21,510,034 10,755,017 32,265,052 16,132,526 8,066,263 24,198,790 12,099,395 36,298,186 18,149,093 54,447,280 27,223,640 13,611,820 6,805,910 3,402,955 10,208,866 5,104,433 15,313,300 7,656,650 3,828,325 11,484,976 5,742,488 2,871,244 1,435,622 717,811 2,153,434 1,076,717 3,230,152 1,615,076 807,538 403,769 1,211,308 605,654 302,827 908,482 454,241 1,362,724 681,362 340,681 1,022,044 511,022 255,511 766,534

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