2 × 7 × 23 × 67

Prime Factor Structure

Factorization String 2 × 7 × 23 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 39,168

Proper Divisor Sum 17,594

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #21569 ← → #21577

1 2 7 14 23 46 67 134 161 322 469 938 1,541 3,082 10,787 21,574

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

21,574 10,787 32,362 16,181 48,544 24,272 12,136 6,068 3,034 1,517 4,552 2,276 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26

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