3 × 7 × 13 × 12289

Prime Factor Structure

Factorization String 3 × 7 × 13 × 12289

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,505,920

Proper Divisor Sum 2,151,023

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #3354881 ← → #3354929

1 3 7 13 21 39 91 273 12,289 36,867 86,023 159,757 258,069 479,271 1,118,299 3,354,897

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

3,354,897 10,064,692 5,032,346 2,516,173 7,548,520 3,774,260 1,887,130 943,565 2,830,696 1,415,348 707,674 353,837 1,061,512 530,756 265,378 132,689 398,068 199,034 99,517 298,552 149,276 74,638 37,319 111,958 55,979 167,938 83,969 251,908 125,954 62,977 188,932 94,466 47,233 141,700 70,850 35,425 106,276 53,138 26,569 79,708 39,854 19,927 59,782 29,891 89,674 44,837 134,512 67,256 33,628 16,814 8,407 25,222 12,611 37,834 18,917 56,752 28,376 14,188 7,094 3,547

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