7 × 18521

Prime Factor Structure

Factorization String 7 × 18521

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 148,176

Proper Divisor Sum 18,529

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #129643 ← → #129671

1 7 18,521 129,647

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

129,647 388,942 194,471 583,414 291,707 875,122 437,561 1,312,684 656,342 328,171 984,514 492,257 1,476,772 738,386 369,193 1,107,580 553,790 276,895 830,686 415,343 1,246,030 623,015 1,869,046 934,523 2,803,570 1,401,785 4,205,356 2,102,678 1,051,339 3,154,018 1,577,009 4,731,028 2,365,514 1,182,757 3,548,272 1,774,136 887,068 443,534 221,767 665,302 332,651 997,954 498,977 1,496,932 748,466 374,233 1,122,700 561,350 280,675 842,026 421,013 1,263,040 631,520 315,760 157,880 78,940 39,470 19,735 59,206 29,603

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