3 × 31 × 107 × 191

Prime Factor Structure

Factorization String 3 × 31 × 107 × 191

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,654,208

Proper Divisor Sum 753,567

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1900621 ← → #1900667

1 3 31 93 107 191 321 573 3,317 5,921 9,951 17,763 20,437 61,311 633,547 1,900,641

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

1,900,641 5,701,924 2,850,962 1,425,481 4,276,444 2,138,222 1,069,111 3,207,334 1,603,667 4,811,002 2,405,501 7,216,504 3,608,252 1,804,126 902,063 2,706,190 1,353,095 4,059,286 2,029,643 6,088,930 3,044,465 9,133,396 4,566,698 2,283,349 6,850,048 3,425,024 1,712,512 856,256 428,128 214,064 107,032 53,516 26,758 13,379 40,138 20,069 60,208 30,104 15,052 7,526 3,763 11,290 5,645 16,936 8,468 4,234 2,117 6,352 3,176 1,588 794 397 1,192 596 298 149 448 224 112 56

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