3² × 5 × 11 × 1289

Prime Factor Structure

Factorization String 3^2 × 5 × 11 × 1289

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,207,440

Proper Divisor Sum 569,385

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #638051 ← → #638059

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

638,055 1,914,166 957,083 2,871,250 1,435,625 4,306,876 2,153,438 1,076,719 3,230,158 1,615,079 4,845,238 2,422,619 7,267,858 3,633,929 10,901,788 5,450,894 2,725,447 8,176,342 4,088,171 12,264,514 6,132,257 18,396,772 9,198,386 4,599,193 13,797,580 6,898,790 3,449,395 10,348,186 5,174,093 15,522,280 7,761,140 3,880,570 1,940,285 5,820,856 2,910,428 1,455,214 727,607 2,182,822 1,091,411 3,274,234 1,637,117 4,911,352 2,455,676 1,227,838 613,919 1,841,758 920,879 2,762,638 1,381,319 4,143,958 2,071,979 6,215,938 3,107,969 9,323,908 4,661,954 2,330,977 6,992,932 3,496,466 1,748,233 5,244,700

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