3 × 5² × 7² × 181

Prime Factor Structure

Factorization String 3 × 5^2 × 7^2 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,286,376

Proper Divisor Sum 621,201

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #665153 ← → #665177

1 3 5 7 15 21 25 35 49 75 105 147 175 181 245 525 543 735 905 1,225 1,267 2,715 3,675 3,801 4,525 6,335 8,869 13,575 19,005 26,607 31,675 44,345 95,025 133,035 221,725 665,175

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

665,175 1,995,526 997,763 2,993,290 1,496,645 4,489,936 2,244,968 1,122,484 561,242 280,621 841,864 420,932 210,466 105,233 315,700 157,850 78,925 236,776 118,388 59,194 29,597 88,792 44,396 22,198 11,099 33,298 16,649 49,948 24,974 12,487 37,462 18,731 56,194 28,097 84,292 42,146 21,073 63,220 31,610 15,805 47,416 23,708 11,854 5,927 17,782 8,891 26,674 13,337 40,012 20,006 10,003 30,010 15,005 45,016 22,508 11,254 5,627 16,882 8,441 25,324

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