3 × 13 × 53 × 313

Prime Factor Structure

Factorization String 3 × 13 × 53 × 313

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 949,536

Proper Divisor Sum 302,565

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #646957 ← → #646979

1 3 13 39 53 159 313 689 939 2,067 4,069 12,207 16,589 49,767 215,657 646,971

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

646,971 1,940,914 970,457 2,911,372 1,455,686 727,843 2,183,530 1,091,765 3,275,296 1,637,648 818,824 409,412 204,706 102,353 307,060 153,530 76,765 230,296 115,148 57,574 28,787 86,362 43,181 129,544 64,772 32,386 16,193 48,580 24,290 12,145 36,436 18,218 9,109 27,328 13,664 6,832 3,416 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688

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