3 × 7 × 43 × 307

Prime Factor Structure

Factorization String 3 × 7 × 43 × 307

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 433,664

Proper Divisor Sum 156,443

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #277217 ← → #277223

1 3 7 21 43 129 301 307 903 921 2,149 6,447 13,201 39,603 92,407 277,221

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

277,221 831,664 415,832 207,916 103,958 51,979 155,938 77,969 233,908 116,954 58,477 175,432 87,716 43,858 21,929 65,788 32,894 16,447 49,342 24,671 74,014 37,007 111,022 55,511 166,534 83,267 249,802 124,901 374,704 187,352 93,676 46,838 23,419 70,258 35,129 105,388 52,694 26,347 79,042 39,521 118,564 59,282 29,641 88,924 44,462 22,231 66,694 33,347 100,042 50,021 150,064 75,032 37,516 18,758 9,379 28,138 14,069 42,208 21,104 10,552

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