191 × 21139

Prime Factor Structure

Factorization String 191 × 21139

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,058,880

Proper Divisor Sum 21,331

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #4037543 ← → #4037563

1 191 21,139 4,037,549

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

4,037,549 12,112,648 6,056,324 3,028,162 1,514,081 4,542,244 2,271,122 1,135,561 3,406,684 1,703,342 851,671 2,555,014 1,277,507 3,832,522 1,916,261 5,748,784 2,874,392 1,437,196 718,598 359,299 1,077,898 538,949 1,616,848 808,424 404,212 202,106 101,053 303,160 151,580 75,790 37,895 113,686 56,843 170,530 85,265 255,796 127,898 63,949 191,848 95,924 47,962 23,981 71,944 35,972 17,986 8,993 26,980 13,490 6,745 20,236 10,118 5,059 15,178 7,589 22,768 11,384 5,692 2,846 1,423 4,270

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