401 × 1601

Prime Factor Structure

Factorization String 401 × 1601

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 644,004

Proper Divisor Sum 2,003

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #641981 ← → #642011

1 401 1,601 642,001

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

642,001 1,926,004 963,002 481,501 1,444,504 722,252 361,126 180,563 541,690 270,845 812,536 406,268 203,134 101,567 304,702 152,351 457,054 228,527 685,582 342,791 1,028,374 514,187 1,542,562 771,281 2,313,844 1,156,922 578,461 1,735,384 867,692 433,846 216,923 650,770 325,385 976,156 488,078 244,039 732,118 366,059 1,098,178 549,089 1,647,268 823,634 411,817 1,235,452 617,726 308,863 926,590 463,295 1,389,886 694,943 2,084,830 1,042,415 3,127,246 1,563,623 4,690,870 2,345,435 7,036,306 3,518,153 10,554,460 5,277,230

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