3 × 17 × 61 × 643

Prime Factor Structure

Factorization String 3 × 17 × 61 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,874,816

Proper Divisor Sum 874,443

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #2000371 ← → #2000381

1 3 17 51 61 183 643 1,037 1,929 3,111 10,931 32,793 39,223 117,669 666,791 2,000,373

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

2,000,373 6,001,120 3,000,560 1,500,280 750,140 375,070 187,535 562,606 281,303 843,910 421,955 1,265,866 632,933 1,898,800 949,400 474,700 237,350 118,675 356,026 178,013 534,040 267,020 133,510 66,755 200,266 100,133 300,400 150,200 75,100 37,550 18,775 56,326 28,163 84,490 42,245 126,736 63,368 31,684 15,842 7,921 23,764 11,882 5,941 17,824 8,912 4,456 2,228 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59

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