641 × 821

Prime Factor Structure

Factorization String 641 × 821

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 527,724

Proper Divisor Sum 1,463

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #526249 ← → #526271

1 641 821 526,261

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

526,261 1,578,784 789,392 394,696 197,348 98,674 49,337 148,012 74,006 37,003 111,010 55,505 166,516 83,258 41,629 124,888 62,444 31,222 15,611 46,834 23,417 70,252 35,126 17,563 52,690 26,345 79,036 39,518 19,759 59,278 29,639 88,918 44,459 133,378 66,689 200,068 100,034 50,017 150,052 75,026 37,513 112,540 56,270 28,135 84,406 42,203 126,610 63,305 189,916 94,958 47,479 142,438 71,219 213,658 106,829 320,488 160,244 80,122 40,061 120,184

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