13 × 17 × 19 × 193

Prime Factor Structure

Factorization String 13 × 17 × 19 × 193

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 977,760

Proper Divisor Sum 167,353

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #810401 ← → #810409

1 13 17 19 193 221 247 323 2,509 3,281 3,667 4,199 42,653 47,671 62,339 810,407

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

810,407 2,431,222 1,215,611 3,646,834 1,823,417 5,470,252 2,735,126 1,367,563 4,102,690 2,051,345 6,154,036 3,077,018 1,538,509 4,615,528 2,307,764 1,153,882 576,941 1,730,824 865,412 432,706 216,353 649,060 324,530 162,265 486,796 243,398 121,699 365,098 182,549 547,648 273,824 136,912 68,456 34,228 17,114 8,557 25,672 12,836 6,418 3,209 9,628 4,814 2,407 7,222 3,611 10,834 5,417 16,252 8,126 4,063 12,190 6,095 18,286 9,143 27,430 13,715 41,146 20,573 61,720 30,860

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