3 × 7 × 109 × 439

Prime Factor Structure

Factorization String 3 × 7 × 109 × 439

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,548,800

Proper Divisor Sum 543,929

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1004797 ← → #1004873

1 3 7 21 109 327 439 763 1,317 2,289 3,073 9,219 47,851 143,553 334,957 1,004,871

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

1,004,871 3,014,614 1,507,307 4,521,922 2,260,961 6,782,884 3,391,442 1,695,721 5,087,164 2,543,582 1,271,791 3,815,374 1,907,687 5,723,062 2,861,531 8,584,594 4,292,297 12,876,892 6,438,446 3,219,223 9,657,670 4,828,835 14,486,506 7,243,253 21,729,760 10,864,880 5,432,440 2,716,220 1,358,110 679,055 2,037,166 1,018,583 3,055,750 1,527,875 4,583,626 2,291,813 6,875,440 3,437,720 1,718,860 859,430 429,715 1,289,146 644,573 1,933,720 966,860 483,430 241,715 725,146 362,573 1,087,720 543,860 271,930 135,965 407,896 203,948 101,974 50,987 152,962 76,481 229,444

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