7 × 23 × 313 × 397

Prime Factor Structure

Factorization String 7 × 23 × 313 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 23,994,624

Proper Divisor Sum 3,988,603

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #20006003 ← → #20006023

1 7 23 161 313 397 2,191 2,779 7,199 9,131 50,393 63,917 124,261 869,827 2,858,003 20,006,021

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

20,006,021 60,018,064 30,009,032 15,004,516 7,502,258 3,751,129 11,253,388 5,626,694 2,813,347 8,440,042 4,220,021 12,660,064 6,330,032 3,165,016 1,582,508 791,254 395,627 1,186,882 593,441 1,780,324 890,162 445,081 1,335,244 667,622 333,811 1,001,434 500,717 1,502,152 751,076 375,538 187,769 563,308 281,654 140,827 422,482 211,241 633,724 316,862 158,431 475,294 237,647 712,942 356,471 1,069,414 534,707 1,604,122 802,061 2,406,184 1,203,092 601,546 300,773 902,320 451,160 225,580 112,790 56,395 169,186 84,593 253,780 126,890

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