2 × 19 × 139 × 263

Prime Factor Structure

Factorization String 2 × 19 × 139 × 263

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,217,600

Proper Divisor Sum 828,434

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1389163 ← → #1389169

1 2 19 38 139 263 278 526 2,641 4,997 5,282 9,994 36,557 73,114 694,583 1,389,166

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

1,389,166 694,583 2,083,750 1,041,875 3,125,626 1,562,813 4,688,440 2,344,220 1,172,110 586,055 1,758,166 879,083 2,637,250 1,318,625 3,955,876 1,977,938 988,969 2,966,908 1,483,454 741,727 2,225,182 1,112,591 3,337,774 1,668,887 5,006,662 2,503,331 7,509,994 3,754,997 11,264,992 5,632,496 2,816,248 1,408,124 704,062 352,031 1,056,094 528,047 1,584,142 792,071 2,376,214 1,188,107 3,564,322 1,782,161 5,346,484 2,673,242 1,336,621 4,009,864 2,004,932 1,002,466 501,233 1,503,700 751,850 375,925 1,127,776 563,888 281,944 140,972 70,486 35,243 105,730 52,865

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