5 × 31² × 821

Prime Factor Structure

Factorization String 5 × 31^2 × 821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 4,897,476

Proper Divisor Sum 952,571

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #3944881 ← → #3944909

1 5 31 155 821 961 4,105 4,805 25,451 127,255 788,981 3,944,905

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

3,944,905 11,834,716 5,917,358 2,958,679 8,876,038 4,438,019 13,314,058 6,657,029 19,971,088 9,985,544 4,992,772 2,496,386 1,248,193 3,744,580 1,872,290 936,145 2,808,436 1,404,218 702,109 2,106,328 1,053,164 526,582 263,291 789,874 394,937 1,184,812 592,406 296,203 888,610 444,305 1,332,916 666,458 333,229 999,688 499,844 249,922 124,961 374,884 187,442 93,721 281,164 140,582 70,291 210,874 105,437 316,312 158,156 79,078 39,539 118,618 59,309 177,928 88,964 44,482 22,241 66,724 33,362 16,681 50,044 25,022

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