5 × 7 × 157 × 571

Prime Factor Structure

Factorization String 5 × 7 × 157 × 571

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,338,048

Proper Divisor Sum 1,200,403

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #3137627 ← → #3137663

1 5 7 35 157 571 785 1,099 2,855 3,997 5,495 19,985 89,647 448,235 627,529 3,137,645

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

3,137,645 9,412,936 4,706,468 2,353,234 1,176,617 3,529,852 1,764,926 882,463 2,647,390 1,323,695 3,971,086 1,985,543 5,956,630 2,978,315 8,934,946 4,467,473 13,402,420 6,701,210 3,350,605 10,051,816 5,025,908 2,512,954 1,256,477 3,769,432 1,884,716 942,358 471,179 1,413,538 706,769 2,120,308 1,060,154 530,077 1,590,232 795,116 397,558 198,779 596,338 298,169 894,508 447,254 223,627 670,882 335,441 1,006,324 503,162 251,581 754,744 377,372 188,686 94,343 283,030 141,515 424,546 212,273 636,820 318,410 159,205 477,616 238,808 119,404

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