7 × 19 × 29 × 137

Prime Factor Structure

Factorization String 7 × 19 × 29 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 662,400

Proper Divisor Sum 133,991

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #528403 ← → #528413

1 7 19 29 133 137 203 551 959 2,603 3,857 3,973 18,221 27,811 75,487 528,409

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

528,409 1,585,228 792,614 396,307 1,188,922 594,461 1,783,384 891,692 445,846 222,923 668,770 334,385 1,003,156 501,578 250,789 752,368 376,184 188,092 94,046 47,023 141,070 70,535 211,606 105,803 317,410 158,705 476,116 238,058 119,029 357,088 178,544 89,272 44,636 22,318 11,159 33,478 16,739 50,218 25,109 75,328 37,664 18,832 9,416 4,708 2,354 1,177 3,532 1,766 883 2,650 1,325 3,976 1,988 994 497 1,492 746 373 1,120 560

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