7² × 37 × 353

Prime Factor Structure

Factorization String 7^2 × 37 × 353

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 766,764

Proper Divisor Sum 126,775

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #639983 ← → #639997

1 7 37 49 259 353 1,813 2,471 13,061 17,297 91,427 639,989

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

639,989 1,919,968 959,984 479,992 239,996 119,998 59,999 179,998 89,999 269,998 134,999 404,998 202,499 607,498 303,749 911,248 455,624 227,812 113,906 56,953 170,860 85,430 42,715 128,146 64,073 192,220 96,110 48,055 144,166 72,083 216,250 108,125 324,376 162,188 81,094 40,547 121,642 60,821 182,464 91,232 45,616 22,808 11,404 5,702 2,851 8,554 4,277 12,832 6,416 3,208 1,604 802 401 1,204 602 301 904 452 226 113

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