13 × 1547993

Prime Factor Structure

Factorization String 13 × 1547993

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 21,671,916

Proper Divisor Sum 1,548,007

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #20123899 ← → #20123923

1 13 1,547,993 20,123,909

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

20,123,909 60,371,728 30,185,864 15,092,932 7,546,466 3,773,233 11,319,700 5,659,850 2,829,925 8,489,776 4,244,888 2,122,444 1,061,222 530,611 1,591,834 795,917 2,387,752 1,193,876 596,938 298,469 895,408 447,704 223,852 111,926 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

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