19 × 21961

Prime Factor Structure

Factorization String 19 × 21961

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 439,240

Proper Divisor Sum 21,981

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #417251 ← → #417271

1 19 21,961 417,259

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

417,259 1,251,778 625,889 1,877,668 938,834 469,417 1,408,252 704,126 352,063 1,056,190 528,095 1,584,286 792,143 2,376,430 1,188,215 3,564,646 1,782,323 5,346,970 2,673,485 8,020,456 4,010,228 2,005,114 1,002,557 3,007,672 1,503,836 751,918 375,959 1,127,878 563,939 1,691,818 845,909 2,537,728 1,268,864 634,432 317,216 158,608 79,304 39,652 19,826 9,913 29,740 14,870 7,435 22,306 11,153 33,460 16,730 8,365 25,096 12,548 6,274 3,137 9,412 4,706 2,353 7,060 3,530 1,765 5,296 2,648

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