3 × 5 × 139 × 149

Prime Factor Structure

Factorization String 3 × 5 × 139 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 504,000

Proper Divisor Sum 193,335

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #310663 ← → #310693

1 3 5 15 139 149 417 447 695 745 2,085 2,235 20,711 62,133 103,555 310,665

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

310,665 931,996 465,998 232,999 698,998 349,499 1,048,498 524,249 1,572,748 786,374 393,187 1,179,562 589,781 1,769,344 884,672 442,336 221,168 110,584 55,292 27,646 13,823 41,470 20,735 62,206 31,103 93,310 46,655 139,966 69,983 209,950 104,975 314,926 157,463 472,390 236,195 708,586 354,293 1,062,880 531,440 265,720 132,860 66,430 33,215 99,646 49,823 149,470 74,735 224,206 112,103 336,310 168,155 504,466 252,233 756,700 378,350 189,175 567,526 283,763 851,290 425,645

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