139 × 3181

Prime Factor Structure

Factorization String 139 × 3181

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 445,480

Proper Divisor Sum 3,321

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #442157 ← → #442171

1 139 3,181 442,159

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

442,159 1,326,478 663,239 1,989,718 994,859 2,984,578 1,492,289 4,476,868 2,238,434 1,119,217 3,357,652 1,678,826 839,413 2,518,240 1,259,120 629,560 314,780 157,390 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.