3 × 7 × 67 × 157

Prime Factor Structure

Factorization String 3 × 7 × 67 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 343,808

Proper Divisor Sum 122,909

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #220897 ← → #220901

1 3 7 21 67 157 201 469 471 1,099 1,407 3,297 10,519 31,557 73,633 220,899

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

220,899 662,698 331,349 994,048 497,024 248,512 124,256 62,128 31,064 15,532 7,766 3,883 11,650 5,825 17,476 8,738 4,369 13,108 6,554 3,277 9,832 4,916 2,458 1,229 3,688 1,844 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8

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