5 × 7 × 19 × 821

Prime Factor Structure

Factorization String 5 × 7 × 19 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 789,120

Proper Divisor Sum 243,155

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #545959 ← → #546001

1 5 7 19 35 95 133 665 821 4,105 5,747 15,599 28,735 77,995 109,193 545,965

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

545,965 1,637,896 818,948 409,474 204,737 614,212 307,106 153,553 460,660 230,330 115,165 345,496 172,748 86,374 43,187 129,562 64,781 194,344 97,172 48,586 24,293 72,880 36,440 18,220 9,110 4,555 13,666 6,833 20,500 10,250 5,125 15,376 7,688 3,844 1,922 961 2,884 1,442 721 2,164 1,082 541 1,624 812 406 203 610 305 916 458 229 688 344 172 86 43 130 65 196 98

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