3 × 19 × 3889

Prime Factor Structure

Factorization String 3 × 19 × 3889

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 311,200

Proper Divisor Sum 89,527

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #221671 ← → #221677

1 3 19 57 3,889 11,667 73,891 221,673

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

221,673 665,020 332,510 166,255 498,766 249,383 748,150 374,075 1,122,226 561,113 1,683,340 841,670 420,835 1,262,506 631,253 1,893,760 946,880 473,440 236,720 118,360 59,180 29,590 14,795 44,386 22,193 66,580 33,290 16,645 49,936 24,968 12,484 6,242 3,121 9,364 4,682 2,341 7,024 3,512 1,756 878 439 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236

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