3 × 7 × 47 × 569

Prime Factor Structure

Factorization String 3 × 7 × 47 × 569

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 875,520

Proper Divisor Sum 313,917

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #561599 ← → #561607

1 3 7 21 47 141 329 569 987 1,707 3,983 11,949 26,743 80,229 187,201 561,603

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

561,603 1,684,810 842,405 2,527,216 1,263,608 631,804 315,902 157,951 473,854 236,927 710,782 355,391 1,066,174 533,087 1,599,262 799,631 2,398,894 1,199,447 3,598,342 1,799,171 5,397,514 2,698,757 8,096,272 4,048,136 2,024,068 1,012,034 506,017 1,518,052 759,026 379,513 1,138,540 569,270 284,635 853,906 426,953 1,280,860 640,430 320,215 960,646 480,323 1,440,970 720,485 2,161,456 1,080,728 540,364 270,182 135,091 405,274 202,637 607,912 303,956 151,978 75,989 227,968 113,984 56,992 28,496 14,248 7,124 3,562

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