3 × 7 × 19 × 433

Prime Factor Structure

Factorization String 3 × 7 × 19 × 433

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 277,760

Proper Divisor Sum 104,993

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #172759 ← → #172787

1 3 7 19 21 57 133 399 433 1,299 3,031 8,227 9,093 24,681 57,589 172,767

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

172,767 518,302 259,151 777,454 388,727 1,166,182 583,091 1,749,274 874,637 2,623,912 1,311,956 655,978 327,989 983,968 491,984 245,992 122,996 61,498 30,749 92,248 46,124 23,062 11,531 34,594 17,297 51,892 25,946 12,973 38,920 19,460 9,730 4,865 14,596 7,298 3,649 10,948 5,474 2,737 8,212 4,106 2,053 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184

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