3 × 7² × 13² × 29

Prime Factor Structure

Factorization String 3 × 7^2 × 13^2 × 29

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,251,720

Proper Divisor Sum 531,273

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #720439 ← → #720481

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

720,447 2,161,342 1,080,671 3,242,014 1,621,007 4,863,022 2,431,511 7,294,534 3,647,267 10,941,802 5,470,901 16,412,704 8,206,352 4,103,176 2,051,588 1,025,794 512,897 1,538,692 769,346 384,673 1,154,020 577,010 288,505 865,516 432,758 216,379 649,138 324,569 973,708 486,854 243,427 730,282 365,141 1,095,424 547,712 273,856 136,928 68,464 34,232 17,116 8,558 4,279 12,838 6,419 19,258 9,629 28,888 14,444 7,222 3,611 10,834 5,417 16,252 8,126 4,063 12,190 6,095 18,286 9,143 27,430

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