3³ × 73 × 131

Prime Factor Structure

Factorization String 3^3 × 73 × 131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 390,720

Proper Divisor Sum 132,519

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #258197 ← → #258211

1 3 9 27 73 131 219 393 657 1,179 1,971 3,537 9,563 28,689 86,067 258,201

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

258,201 774,604 387,302 193,651 580,954 290,477 871,432 435,716 217,858 108,929 326,788 163,394 81,697 245,092 122,546 61,273 183,820 91,910 45,955 137,866 68,933 206,800 103,400 51,700 25,850 12,925 38,776 19,388 9,694 4,847 14,542 7,271 21,814 10,907 32,722 16,361 49,084 24,542 12,271 36,814 18,407 55,222 27,611 82,834 41,417 124,252 62,126 31,063 93,190 46,595 139,786 69,893 209,680 104,840 52,420 26,210 13,105 39,316 19,658 9,829

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