7 × 11 × 31 × 139

Prime Factor Structure

Factorization String 7 × 11 × 31 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 430,080

Proper Divisor Sum 98,287

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #331781 ← → #331801

1 7 11 31 77 139 217 341 973 1,529 2,387 4,309 10,703 30,163 47,399 331,793

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

331,793 995,380 497,690 248,845 746,536 373,268 186,634 93,317 279,952 139,976 69,988 34,994 17,497 52,492 26,246 13,123 39,370 19,685 59,056 29,528 14,764 7,382 3,691 11,074 5,537 16,612 8,306 4,153 12,460 6,230 3,115 9,346 4,673 14,020 7,010 3,505 10,516 5,258 2,629 7,888 3,944 1,972 986 493 1,480 740 370 185 556 278 139 418 209 628 314 157 472 236 118 59

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