3 × 7 × 13 × 64153

Prime Factor Structure

Factorization String 3 × 7 × 13 × 64153

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,740,992

Proper Divisor Sum 11,227,223

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #17513761 ← → #17513773

1 3 7 13 21 39 91 273 64,153 192,459 449,071 833,989 1,347,213 2,501,967 5,837,923 17,513,769

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

17,513,769 52,541,308 26,270,654 13,135,327 39,405,982 19,702,991 59,108,974 29,554,487 88,663,462 44,331,731 132,995,194 66,497,597 199,492,792 99,746,396 49,873,198 24,936,599 74,809,798 37,404,899 112,214,698 56,107,349 168,322,048 84,161,024 42,080,512 21,040,256 10,520,128 5,260,064 2,630,032 1,315,016 657,508 328,754 164,377 493,132 246,566 123,283 369,850 184,925 554,776 277,388 138,694 69,347 208,042 104,021 312,064 156,032 78,016 39,008 19,504 9,752 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515

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