661 × 1217

Prime Factor Structure

Factorization String 661 × 1217

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 806,316

Proper Divisor Sum 1,879

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #804409 ← → #804443

1 661 1,217 804,437

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

804,437 2,413,312 1,206,656 603,328 301,664 150,832 75,416 37,708 18,854 9,427 28,282 14,141 42,424 21,212 10,606 5,303 15,910 7,955 23,866 11,933 35,800 17,900 8,950 4,475 13,426 6,713 20,140 10,070 5,035 15,106 7,553 22,660 11,330 5,665 16,996 8,498 4,249 12,748 6,374 3,187 9,562 4,781 14,344 7,172 3,586 1,793 5,380 2,690 1,345 4,036 2,018 1,009 3,028 1,514 757 2,272 1,136 568 284 142

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