21398837

Prime Factor Structure

Factorization String 21398837

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,398,838

Proper Divisor Sum 1

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #21398833 ← → #21398849

1 21,398,837

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

21,398,837 64,196,512 32,098,256 16,049,128 8,024,564 4,012,282 2,006,141 6,018,424 3,009,212 1,504,606 752,303 2,256,910 1,128,455 3,385,366 1,692,683 5,078,050 2,539,025 7,617,076 3,808,538 1,904,269 5,712,808 2,856,404 1,428,202 714,101 2,142,304 1,071,152 535,576 267,788 133,894 66,947 200,842 100,421 301,264 150,632 75,316 37,658 18,829 56,488 28,244 14,122 7,061 21,184 10,592 5,296 2,648 1,324 662 331 994 497 1,492 746 373 1,120 560 280 140 70 35 106

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