2 × 13 × 199 × 3889

Prime Factor Structure

Factorization String 2 × 13 × 199 × 3889

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,676,000

Proper Divisor Sum 12,554,314

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #20121683 ← → #20121691

1 2 13 26 199 398 2,587 3,889 5,174 7,778 50,557 101,114 773,911 1,547,822 10,060,843 20,121,686

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

20,121,686 10,060,843 30,182,530 15,091,265 45,273,796 22,636,898 11,318,449 33,955,348 16,977,674 8,488,837 25,466,512 12,733,256 6,366,628 3,183,314 1,591,657 4,774,972 2,387,486 1,193,743 3,581,230 1,790,615 5,371,846 2,685,923 8,057,770 4,028,885 12,086,656 6,043,328 3,021,664 1,510,832 755,416 377,708 188,854 94,427 283,282 141,641 424,924 212,462 106,231 318,694 159,347 478,042 239,021 717,064 358,532 179,266 89,633 268,900 134,450 67,225 201,676 100,838 50,419 151,258 75,629 226,888 113,444 56,722 28,361 85,084 42,542 21,271

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