3 × 5⁴ × 7

Prime Factor Structure

Factorization String 3 × 5^4 × 7

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 24,992

Proper Divisor Sum 11,867

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #13121 ← → #13127

1 3 5 7 15 21 25 35 75 105 125 175 375 525 625 875 1,875 2,625 4,375 13,125

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

13,125 39,376 19,688 9,844 4,922 2,461 7,384 3,692 1,846 923 2,770 1,385 4,156 2,078 1,039 3,118 1,559 4,678 2,339 7,018 3,509 10,528 5,264 2,632 1,316 658 329 988 494 247 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88

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