3 × 7 × 1018903

Prime Factor Structure

Factorization String 3 × 7 × 1018903

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 32,604,928

Proper Divisor Sum 11,207,965

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #21396941 ← → #21396967

1 3 7 21 1,018,903 3,056,709 7,132,321 21,396,963

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

21,396,963 64,190,890 32,095,445 96,286,336 48,143,168 24,071,584 12,035,792 6,017,896 3,008,948 1,504,474 752,237 2,256,712 1,128,356 564,178 282,089 846,268 423,134 211,567 634,702 317,351 952,054 476,027 1,428,082 714,041 2,142,124 1,071,062 535,531 1,606,594 803,297 2,409,892 1,204,946 602,473 1,807,420 903,710 451,855 1,355,566 677,783 2,033,350 1,016,675 3,050,026 1,525,013 4,575,040 2,287,520 1,143,760 571,880 285,940 142,970 71,485 214,456 107,228 53,614 26,807 80,422 40,211 120,634 60,317 180,952 90,476 45,238 22,619

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