2² × 19 × 21673

Prime Factor Structure

Factorization String 2^2 × 19 × 21673

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 3,034,360

Proper Divisor Sum 1,387,212

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1647137 ← → #1647161

1 2 4 19 38 76 21,673 43,346 86,692 411,787 823,574 1,647,148

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

1,647,148 823,574 411,787 1,235,362 617,681 1,853,044 926,522 463,261 1,389,784 694,892 347,446 173,723 521,170 260,585 781,756 390,878 195,439 586,318 293,159 879,478 439,739 1,319,218 659,609 1,978,828 989,414 494,707 1,484,122 742,061 2,226,184 1,113,092 556,546 278,273 834,820 417,410 208,705 626,116 313,058 156,529 469,588 234,794 117,397 352,192 176,096 88,048 44,024 22,012 11,006 5,503 16,510 8,255 24,766 12,383 37,150 18,575 55,726 27,863 83,590 41,795 125,386 62,693

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