7 × 13 × 31 × 311

Prime Factor Structure

Factorization String 7 × 13 × 31 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,118,208

Proper Divisor Sum 240,877

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #877321 ← → #877333

1 7 13 31 91 217 311 403 2,177 2,821 4,043 9,641 28,301 67,487 125,333 877,331

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

877,331 2,631,994 1,315,997 3,947,992 1,973,996 986,998 493,499 1,480,498 740,249 2,220,748 1,110,374 555,187 1,665,562 832,781 2,498,344 1,249,172 624,586 312,293 936,880 468,440 234,220 117,110 58,555 175,666 87,833 263,500 131,750 65,875 197,626 98,813 296,440 148,220 74,110 37,055 111,166 55,583 166,750 83,375 250,126 125,063 375,190 187,595 562,786 281,393 844,180 422,090 211,045 633,136 316,568 158,284 79,142 39,571 118,714 59,357 178,072 89,036 44,518 22,259 66,778 33,389

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