13 × 19 × 1657

Prime Factor Structure

Factorization String 13 × 19 × 1657

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 464,240

Proper Divisor Sum 54,961

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #409271 ← → #409289

1 13 19 247 1,657 21,541 31,483 409,279

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

409,279 1,227,838 613,919 1,841,758 920,879 2,762,638 1,381,319 4,143,958 2,071,979 6,215,938 3,107,969 9,323,908 4,661,954 2,330,977 6,992,932 3,496,466 1,748,233 5,244,700 2,622,350 1,311,175 3,933,526 1,966,763 5,900,290 2,950,145 8,850,436 4,425,218 2,212,609 6,637,828 3,318,914 1,659,457 4,978,372 2,489,186 1,244,593 3,733,780 1,866,890 933,445 2,800,336 1,400,168 700,084 350,042 175,021 525,064 262,532 131,266 65,633 196,900 98,450 49,225 147,676 73,838 36,919 110,758 55,379 166,138 83,069 249,208 124,604 62,302 31,151 93,454

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