7 × 31139

Prime Factor Structure

Factorization String 7 × 31139

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 249,120

Proper Divisor Sum 31,147

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #217969 ← → #217979

1 7 31,139 217,973

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

217,973 653,920 326,960 163,480 81,740 40,870 20,435 61,306 30,653 91,960 45,980 22,990 11,495 34,486 17,243 51,730 25,865 77,596 38,798 19,399 58,198 29,099 87,298 43,649 130,948 65,474 32,737 98,212 49,106 24,553 73,660 36,830 18,415 55,246 27,623 82,870 41,435 124,306 62,153 186,460 93,230 46,615 139,846 69,923 209,770 104,885 314,656 157,328 78,664 39,332 19,666 9,833 29,500 14,750 7,375 22,126 11,063 33,190 16,595 49,786

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