5 × 7 × 19 × 1021

Prime Factor Structure

Factorization String 5 × 7 × 19 × 1021

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 981,120

Proper Divisor Sum 302,155

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #678959 ← → #678971

1 5 7 19 35 95 133 665 1,021 5,105 7,147 19,399 35,735 96,995 135,793 678,965

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

678,965 2,036,896 1,018,448 509,224 254,612 127,306 63,653 190,960 95,480 47,740 23,870 11,935 35,806 17,903 53,710 26,855 80,566 40,283 120,850 60,425 181,276 90,638 45,319 135,958 67,979 203,938 101,969 305,908 152,954 76,477 229,432 114,716 57,358 28,679 86,038 43,019 129,058 64,529 193,588 96,794 48,397 145,192 72,596 36,298 18,149 54,448 27,224 13,612 6,806 3,403 10,210 5,105 15,316 7,658 3,829 11,488 5,744 2,872 1,436 718

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