5 × 17 × 109 × 2161

Prime Factor Structure

Factorization String 5 × 17 × 109 × 2161

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 25,684,560

Proper Divisor Sum 5,662,895

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #20021663 ← → #20021669

1 5 17 85 109 545 1,853 2,161 9,265 10,805 36,737 183,685 235,549 1,177,745 4,004,333 20,021,665

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

20,021,665 60,064,996 30,032,498 15,016,249 45,048,748 22,524,374 11,262,187 33,786,562 16,893,281 50,679,844 25,339,922 12,669,961 38,009,884 19,004,942 9,502,471 28,507,414 14,253,707 42,761,122 21,380,561 64,141,684 32,070,842 16,035,421 48,106,264 24,053,132 12,026,566 6,013,283 18,039,850 9,019,925 27,059,776 13,529,888 6,764,944 3,382,472 1,691,236 845,618 422,809 1,268,428 634,214 317,107 951,322 475,661 1,426,984 713,492 356,746 178,373 535,120 267,560 133,780 66,890 33,445 100,336 50,168 25,084 12,542 6,271 18,814 9,407 28,222 14,111 42,334 21,167

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