5 × 7 × 67 × 821

Prime Factor Structure

Factorization String 5 × 7 × 67 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,683,008

Proper Divisor Sum 757,763

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1925243 ← → #1925257

1 5 7 35 67 335 469 821 2,345 4,105 5,747 28,735 55,007 275,035 385,049 1,925,245

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

1,925,245 5,775,736 2,887,868 1,443,934 721,967 2,165,902 1,082,951 3,248,854 1,624,427 4,873,282 2,436,641 7,309,924 3,654,962 1,827,481 5,482,444 2,741,222 1,370,611 4,111,834 2,055,917 6,167,752 3,083,876 1,541,938 770,969 2,312,908 1,156,454 578,227 1,734,682 867,341 2,602,024 1,301,012 650,506 325,253 975,760 487,880 243,940 121,970 60,985 182,956 91,478 45,739 137,218 68,609 205,828 102,914 51,457 154,372 77,186 38,593 115,780 57,890 28,945 86,836 43,418 21,709 65,128 32,564 16,282 8,141 24,424 12,212

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