11 × 13 × 4481

Prime Factor Structure

Factorization String 11 × 13 × 4481

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 752,976

Proper Divisor Sum 112,193

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #640777 ← → #640793

1 11 13 143 4,481 49,291 58,253 640,783

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

640,783 1,922,350 961,175 2,883,526 1,441,763 4,325,290 2,162,645 6,487,936 3,243,968 1,621,984 810,992 405,496 202,748 101,374 50,687 152,062 76,031 228,094 114,047 342,142 171,071 513,214 256,607 769,822 384,911 1,154,734 577,367 1,732,102 866,051 2,598,154 1,299,077 3,897,232 1,948,616 974,308 487,154 243,577 730,732 365,366 182,683 548,050 274,025 822,076 411,038 205,519 616,558 308,279 924,838 462,419 1,387,258 693,629 2,080,888 1,040,444 520,222 260,111 780,334 390,167 1,170,502 585,251 1,755,754 877,877

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