521 × 1637

Prime Factor Structure

Factorization String 521 × 1637

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 855,036

Proper Divisor Sum 2,159

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #852871 ← → #852881

1 521 1,637 852,877

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

852,877 2,558,632 1,279,316 639,658 319,829 959,488 479,744 239,872 119,936 59,968 29,984 14,992 7,496 3,748 1,874 937 2,812 1,406 703 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690 5,345 16,036 8,018 4,009 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455 43,366 21,683 65,050 32,525

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