3² × 13 × 5477

Prime Factor Structure

Factorization String 3^2 × 13 × 5477

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 996,996

Proper Divisor Sum 356,187

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #640793 ← → #640837

1 3 9 13 39 117 5,477 16,431 49,293 71,201 213,603 640,809

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

640,809 1,922,428 961,214 480,607 1,441,822 720,911 2,162,734 1,081,367 3,244,102 1,622,051 4,866,154 2,433,077 7,299,232 3,649,616 1,824,808 912,404 456,202 228,101 684,304 342,152 171,076 85,538 42,769 128,308 64,154 32,077 96,232 48,116 24,058 12,029 36,088 18,044 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455 43,366 21,683 65,050 32,525 97,576 48,788 24,394

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