3 × 7 × 149 × 641

Prime Factor Structure

Factorization String 3 × 7 × 149 × 641

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,081,600

Proper Divisor Sum 1,075,911

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2005687 ← → #2005693

1 3 7 21 149 447 641 1,043 1,923 3,129 4,487 13,461 95,509 286,527 668,563 2,005,689

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

2,005,689 6,017,068 3,008,534 1,504,267 4,512,802 2,256,401 6,769,204 3,384,602 1,692,301 5,076,904 2,538,452 1,269,226 634,613 1,903,840 951,920 475,960 237,980 118,990 59,495 178,486 89,243 267,730 133,865 401,596 200,798 100,399 301,198 150,599 451,798 225,899 677,698 338,849 1,016,548 508,274 254,137 762,412 381,206 190,603 571,810 285,905 857,716 428,858 214,429 643,288 321,644 160,822 80,411 241,234 120,617 361,852 180,926 90,463 271,390 135,695 407,086 203,543 610,630 305,315 915,946 457,973

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