3 × 7 × 53 × 139

Prime Factor Structure

Factorization String 3 × 7 × 53 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 241,920

Proper Divisor Sum 87,213

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #154699 ← → #154723

1 3 7 21 53 139 159 371 417 973 1,113 2,919 7,367 22,101 51,569 154,707

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

154,707 464,122 232,061 696,184 348,092 174,046 87,023 261,070 130,535 391,606 195,803 587,410 293,705 881,116 440,558 220,279 660,838 330,419 991,258 495,629 1,486,888 743,444 371,722 185,861 557,584 278,792 139,396 69,698 34,849 104,548 52,274 26,137 78,412 39,206 19,603 58,810 29,405 88,216 44,108 22,054 11,027 33,082 16,541 49,624 24,812 12,406 6,203 18,610 9,305 27,916 13,958 6,979 20,938 10,469 31,408 15,704 7,852 3,926 1,963 5,890

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