3 × 7 × 13 × 15137

Prime Factor Structure

Factorization String 3 × 7 × 13 × 15137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,781,824

Proper Divisor Sum 2,649,423

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #4132391 ← → #4132409

1 3 7 13 21 39 91 273 15,137 45,411 105,959 196,781 317,877 590,343 1,377,467 4,132,401

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

4,132,401 12,397,204 6,198,602 3,099,301 9,297,904 4,648,952 2,324,476 1,162,238 581,119 1,743,358 871,679 2,615,038 1,307,519 3,922,558 1,961,279 5,883,838 2,941,919 8,825,758 4,412,879 13,238,638 6,619,319 19,857,958 9,928,979 29,786,938 14,893,469 44,680,408 22,340,204 11,170,102 5,585,051 16,755,154 8,377,577 25,132,732 12,566,366 6,283,183 18,849,550 9,424,775 28,274,326 14,137,163 42,411,490 21,205,745 63,617,236 31,808,618 15,904,309 47,712,928 23,856,464 11,928,232 5,964,116 2,982,058 1,491,029 4,473,088 2,236,544 1,118,272 559,136 279,568 139,784 69,892 34,946 17,473 52,420 26,210

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