3 × 5 × 37 × 139

Prime Factor Structure

Factorization String 3 × 5 × 37 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 127,680

Proper Divisor Sum 50,535

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #77141 ← → #77153

1 3 5 15 37 111 139 185 417 555 695 2,085 5,143 15,429 25,715 77,145

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

77,145 231,436 115,718 57,859 173,578 86,789 260,368 130,184 65,092 32,546 16,273 48,820 24,410 12,205 36,616 18,308 9,154 4,577 13,732 6,866 3,433 10,300 5,150 2,575 7,726 3,863 11,590 5,795 17,386 8,693 26,080 13,040 6,520 3,260 1,630 815 2,446 1,223 3,670 1,835 5,506 2,753 8,260 4,130 2,065 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109 328 164 82

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