7 × 11 × 19 × 149

Prime Factor Structure

Factorization String 7 × 11 × 19 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 288,000

Proper Divisor Sum 70,013

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #217981 ← → #218003

1 7 11 19 77 133 149 209 1,043 1,463 1,639 2,831 11,473 19,817 31,141 217,987

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

217,987 653,962 326,981 980,944 490,472 245,236 122,618 61,309 183,928 91,964 45,982 22,991 68,974 34,487 103,462 51,731 155,194 77,597 232,792 116,396 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.