3 × 11 × 71 × 991

Prime Factor Structure

Factorization String 3 × 11 × 71 × 991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,428,352

Proper Divisor Sum 1,106,439

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2321909 ← → #2321923

1 3 11 33 71 213 781 991 2,343 2,973 10,901 32,703 70,361 211,083 773,971 2,321,913

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

2,321,913 6,965,740 3,482,870 1,741,435 5,224,306 2,612,153 7,836,460 3,918,230 1,959,115 5,877,346 2,938,673 8,816,020 4,408,010 2,204,005 6,612,016 3,306,008 1,653,004 826,502 413,251 1,239,754 619,877 1,859,632 929,816 464,908 232,454 116,227 348,682 174,341 523,024 261,512 130,756 65,378 32,689 98,068 49,034 24,517 73,552 36,776 18,388 9,194 4,597 13,792 6,896 3,448 1,724 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410

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