3 × 7 × 13 × 17

Prime Factor Structure

Factorization String 3 × 7 × 13 × 17

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,064

Proper Divisor Sum 3,423

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #4639 ← → #4643

1 3 7 13 17 21 39 51 91 119 221 273 357 663 1,547 4,641

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

4,641 13,924 6,962 3,481 10,444 5,222 2,611 7,834 3,917 11,752 5,876 2,938 1,469 4,408 2,204 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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