2 × 5² × 257 × 1567

Prime Factor Structure

Factorization String 2 × 5^2 × 257 × 1567

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 37,622,592

Proper Divisor Sum 17,486,642

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #20135923 ← → #20135959

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

20,135,950 10,067,975 30,203,926 15,101,963 45,305,890 22,652,945 67,958,836 33,979,418 16,989,709 50,969,128 25,484,564 12,742,282 6,371,141 19,113,424 9,556,712 4,778,356 2,389,178 1,194,589 3,583,768 1,791,884 895,942 447,971 1,343,914 671,957 2,015,872 1,007,936 503,968 251,984 125,992 62,996 31,498 15,749 47,248 23,624 11,812 5,906 2,953 8,860 4,430 2,215 6,646 3,323 9,970 4,985 14,956 7,478 3,739 11,218 5,609 16,828 8,414 4,207 12,622 6,311 18,934 9,467 28,402 14,201 42,604 21,302

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