3 × 5 × 7 × 4211

Prime Factor Structure

Factorization String 3 × 5 × 7 × 4211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 808,704

Proper Divisor Sum 366,549

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #442151 ← → #442157

1 3 5 7 15 21 35 105 4,211 12,633 21,055 29,477 63,165 88,431 147,385 442,155

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

442,155 1,326,466 663,233 1,989,700 994,850 497,425 1,492,276 746,138 373,069 1,119,208 559,604 279,802 139,901 419,704 209,852 104,926 52,463 157,390 78,695 236,086 118,043 354,130 177,065 531,196 265,598 132,799 398,398 199,199 597,598 298,799 896,398 448,199 1,344,598 672,299 2,016,898 1,008,449 3,025,348 1,512,674 756,337 2,269,012 1,134,506 567,253 1,701,760 850,880 425,440 212,720 106,360 53,180 26,590 13,295 39,886 19,943 59,830 29,915 89,746 44,873 134,620 67,310 33,655 100,966

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