3 × 19 × 23 × 487

Prime Factor Structure

Factorization String 3 × 19 × 23 × 487

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 936,960

Proper Divisor Sum 298,503

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #638453 ← → #638459

1 3 19 23 57 69 437 487 1,311 1,461 9,253 11,201 27,759 33,603 212,819 638,457

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

638,457 1,915,372 957,686 478,843 1,436,530 718,265 2,154,796 1,077,398 538,699 1,616,098 808,049 2,424,148 1,212,074 606,037 1,818,112 909,056 454,528 227,264 113,632 56,816 28,408 14,204 7,102 3,551 10,654 5,327 15,982 7,991 23,974 11,987 35,962 17,981 53,944 26,972 13,486 6,743 20,230 10,115 30,346 15,173 45,520 22,760 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201 3,604 1,802 901 2,704 1,352 676

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