2 × 13 × 31 × 25031

Prime Factor Structure

Factorization String 2 × 13 × 31 × 25031

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 33,643,008

Proper Divisor Sum 13,468,022

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #20174951 ← → #20174989

1 2 13 26 31 62 403 806 25,031 50,062 325,403 650,806 775,961 1,551,922 10,087,493 20,174,986

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

20,174,986 10,087,493 30,262,480 15,131,240 7,565,620 3,782,810 1,891,405 5,674,216 2,837,108 1,418,554 709,277 2,127,832 1,063,916 531,958 265,979 797,938 398,969 1,196,908 598,454 299,227 897,682 448,841 1,346,524 673,262 336,631 1,009,894 504,947 1,514,842 757,421 2,272,264 1,136,132 568,066 284,033 852,100 426,050 213,025 639,076 319,538 159,769 479,308 239,654 119,827 359,482 179,741 539,224 269,612 134,806 67,403 202,210 101,105 303,316 151,658 75,829 227,488 113,744 56,872 28,436 14,218 7,109 21,328

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