3 × 5 × 151 × 283

Prime Factor Structure

Factorization String 3 × 5 × 151 × 283

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,036,032

Proper Divisor Sum 395,037

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #640993 ← → #641051

1 3 5 15 151 283 453 755 849 1,415 2,265 4,245 42,733 128,199 213,665 640,995

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

640,995 1,922,986 961,493 2,884,480 1,442,240 721,120 360,560 180,280 90,140 45,070 22,535 67,606 33,803 101,410 50,705 152,116 76,058 38,029 114,088 57,044 28,522 14,261 42,784 21,392 10,696 5,348 2,674 1,337 4,012 2,006 1,003 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682

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