2² × 5² × 642121

Prime Factor Structure

Factorization String 2^2 × 5^2 × 642121

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 139,340,474

Proper Divisor Sum 75,128,374

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #64212079 ← → #64212101

1 2 4 5 10 20 25 50 100 642,121 1,284,242 2,568,484 3,210,605 6,421,210 12,842,420 16,053,025 32,106,050 64,212,100

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

64,212,100 32,106,050 16,053,025 48,159,076 24,079,538 12,039,769 36,119,308 18,059,654 9,029,827 27,089,482 13,544,741 40,634,224 20,317,112 10,158,556 5,079,278 2,539,639 7,618,918 3,809,459 11,428,378 5,714,189 17,142,568 8,571,284 4,285,642 2,142,821 6,428,464 3,214,232 1,607,116 803,558 401,779 1,205,338 602,669 1,808,008 904,004 452,002 226,001 678,004 339,002 169,501 508,504 254,252 127,126 63,563 190,690 95,345 286,036 143,018 71,509 214,528 107,264 53,632 26,816 13,408 6,704 3,352 1,676 838 419 1,258 629 1,888

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