7 × 1621 × 1777

Prime Factor Structure

Factorization String 7 × 1621 × 1777

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 23,071,328

Proper Divisor Sum 2,907,709

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #20163593 ← → #20163623

1 7 1,621 1,777 11,347 12,439 2,880,517 20,163,619

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

20,163,619 60,490,858 30,245,429 90,736,288 45,368,144 22,684,072 11,342,036 5,671,018 2,835,509 8,506,528 4,253,264 2,126,632 1,063,316 531,658 265,829 797,488 398,744 199,372 99,686 49,843 149,530 74,765 224,296 112,148 56,074 28,037 84,112 42,056 21,028 10,514 5,257 15,772 7,886 3,943 11,830 5,915 17,746 8,873 26,620 13,310 6,655 19,966 9,983 29,950 14,975 44,926 22,463 67,390 33,695 101,086 50,543 151,630 75,815 227,446 113,723 341,170 170,585 511,756 255,878 127,939

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