7 × 139 × 409

Prime Factor Structure

Factorization String 7 × 139 × 409

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 459,200

Proper Divisor Sum 61,243

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #397951 ← → #397963

1 7 139 409 973 2,863 56,851 397,957

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

397,957 1,193,872 596,936 298,468 149,234 74,617 223,852 111,926 55,963 167,890 83,945 251,836 125,918 62,959 188,878 94,439 283,318 141,659 424,978 212,489 637,468 318,734 159,367 478,102 239,051 717,154 358,577 1,075,732 537,866 268,933 806,800 403,400 201,700 100,850 50,425 151,276 75,638 37,819 113,458 56,729 170,188 85,094 42,547 127,642 63,821 191,464 95,732 47,866 23,933 71,800 35,900 17,950 8,975 26,926 13,463 40,390 20,195 60,586 30,293 90,880

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