13 × 89 × 571

Prime Factor Structure

Factorization String 13 × 89 × 571

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 720,720

Proper Divisor Sum 60,073

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #660643 ← → #660659

1 13 89 571 1,157 7,423 50,819 660,647

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

660,647 1,981,942 990,971 2,972,914 1,486,457 4,459,372 2,229,686 1,114,843 3,344,530 1,672,265 5,016,796 2,508,398 1,254,199 3,762,598 1,881,299 5,643,898 2,821,949 8,465,848 4,232,924 2,116,462 1,058,231 3,174,694 1,587,347 4,762,042 2,381,021 7,143,064 3,571,532 1,785,766 892,883 2,678,650 1,339,325 4,017,976 2,008,988 1,004,494 502,247 1,506,742 753,371 2,260,114 1,130,057 3,390,172 1,695,086 847,543 2,542,630 1,271,315 3,813,946 1,906,973 5,720,920 2,860,460 1,430,230 715,115 2,145,346 1,072,673 3,218,020 1,609,010 804,505 2,413,516 1,206,758 603,379 1,810,138 905,069

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