7 × 11 × 61 × 131

Prime Factor Structure

Factorization String 7 × 11 × 61 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 785,664

Proper Divisor Sum 170,357

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #615299 ← → #615313

1 7 11 61 77 131 427 671 917 1,441 4,697 7,991 10,087 55,937 87,901 615,307

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

615,307 1,845,922 922,961 2,768,884 1,384,442 692,221 2,076,664 1,038,332 519,166 259,583 778,750 389,375 1,168,126 584,063 1,752,190 876,095 2,628,286 1,314,143 3,942,430 1,971,215 5,913,646 2,956,823 8,870,470 4,435,235 13,305,706 6,652,853 19,958,560 9,979,280 4,989,640 2,494,820 1,247,410 623,705 1,871,116 935,558 467,779 1,403,338 701,669 2,105,008 1,052,504 526,252 263,126 131,563 394,690 197,345 592,036 296,018 148,009 444,028 222,014 111,007 333,022 166,511 499,534 249,767 749,302 374,651 1,123,954 561,977 1,685,932 842,966

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