3² × 7 × 343177

Prime Factor Structure

Factorization String 3^2 × 7 × 343177

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 35,690,512

Proper Divisor Sum 14,070,361

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21620129 ← → #21620153

1 3 7 9 21 63 343,177 1,029,531 2,402,239 3,088,593 7,206,717 21,620,151

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

21,620,151 64,860,454 32,430,227 97,290,682 48,645,341 145,936,024 72,968,012 36,484,006 18,242,003 54,726,010 27,363,005 82,089,016 41,044,508 20,522,254 10,261,127 30,783,382 15,391,691 46,175,074 23,087,537 69,262,612 34,631,306 17,315,653 51,946,960 25,973,480 12,986,740 6,493,370 3,246,685 9,740,056 4,870,028 2,435,014 1,217,507 3,652,522 1,826,261 5,478,784 2,739,392 1,369,696 684,848 342,424 171,212 85,606 42,803 128,410 64,205 192,616 96,308 48,154 24,077 72,232 36,116 18,058 9,029 27,088 13,544 6,772 3,386 1,693 5,080 2,540 1,270 635

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