3 × 13 × 197 × 541

Prime Factor Structure

Factorization String 3 × 13 × 197 × 541

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,009,696

Proper Divisor Sum 1,853,193

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #4156447 ← → #4156507

1 3 13 39 197 541 591 1,623 2,561 7,033 7,683 21,099 106,577 319,731 1,385,501 4,156,503

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

4,156,503 12,469,510 6,234,755 18,704,266 9,352,133 28,056,400 14,028,200 7,014,100 3,507,050 1,753,525 5,260,576 2,630,288 1,315,144 657,572 328,786 164,393 493,180 246,590 123,295 369,886 184,943 554,830 277,415 832,246 416,123 1,248,370 624,185 1,872,556 936,278 468,139 1,404,418 702,209 2,106,628 1,053,314 526,657 1,579,972 789,986 394,993 1,184,980 592,490 296,245 888,736 444,368 222,184 111,092 55,546 27,773 83,320 41,660 20,830 10,415 31,246 15,623 46,870 23,435 70,306 35,153 105,460 52,730 26,365

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