5² × 13² × 521

Prime Factor Structure

Factorization String 5^2 × 13^2 × 521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 2,961,306

Proper Divisor Sum 760,081

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #2201209 ← → #2201273

1 5 13 25 65 169 325 521 845 2,605 4,225 6,773 13,025 33,865 88,049 169,325 440,245 2,201,225

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

2,201,225 6,603,676 3,301,838 1,650,919 4,952,758 2,476,379 7,429,138 3,714,569 11,143,708 5,571,854 2,785,927 8,357,782 4,178,891 12,536,674 6,268,337 18,805,012 9,402,506 4,701,253 14,103,760 7,051,880 3,525,940 1,762,970 881,485 2,644,456 1,322,228 661,114 330,557 991,672 495,836 247,918 123,959 371,878 185,939 557,818 278,909 836,728 418,364 209,182 104,591 313,774 156,887 470,662 235,331 705,994 352,997 1,058,992 529,496 264,748 132,374 66,187 198,562 99,281 297,844 148,922 74,461 223,384 111,692 55,846 27,923 83,770

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