13 × 17 × 41 × 491

Prime Factor Structure

Factorization String 13 × 17 × 41 × 491

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,207,328

Proper Divisor Sum 758,377

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #4448947 ← → #4448957

1 13 17 41 221 491 533 697 6,383 8,347 9,061 20,131 108,511 261,703 342,227 4,448,951

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

4,448,951 13,346,854 6,673,427 20,020,282 10,010,141 30,030,424 15,015,212 7,507,606 3,753,803 11,261,410 5,630,705 16,892,116 8,446,058 4,223,029 12,669,088 6,334,544 3,167,272 1,583,636 791,818 395,909 1,187,728 593,864 296,932 148,466 74,233 222,700 111,350 55,675 167,026 83,513 250,540 125,270 62,635 187,906 93,953 281,860 140,930 70,465 211,396 105,698 52,849 158,548 79,274 39,637 118,912 59,456 29,728 14,864 7,432 3,716 1,858 929 2,788 1,394 697 2,092 1,046 523 1,570 785

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