3 × 7 × 20407

Prime Factor Structure

Factorization String 3 × 7 × 20407

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 653,056

Proper Divisor Sum 224,509

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #428539 ← → #428551

1 3 7 21 20,407 61,221 142,849 428,547

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

428,547 1,285,642 642,821 1,928,464 964,232 482,116 241,058 120,529 361,588 180,794 90,397 271,192 135,596 67,798 33,899 101,698 50,849 152,548 76,274 38,137 114,412 57,206 28,603 85,810 42,905 128,716 64,358 32,179 96,538 48,269 144,808 72,404 36,202 18,101 54,304 27,152 13,576 6,788 3,394 1,697 5,092 2,546 1,273 3,820 1,910 955 2,866 1,433 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454

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