3 × 7 × 37 × 16421

Prime Factor Structure

Factorization String 3 × 7 × 37 × 16421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 19,969,152

Proper Divisor Sum 7,210,035

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #12759079 ← → #12759119

1 3 7 21 37 111 259 777 16,421 49,263 114,947 344,841 607,577 1,822,731 4,253,039 12,759,117

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

12,759,117 38,277,352 19,138,676 9,569,338 4,784,669 14,354,008 7,177,004 3,588,502 1,794,251 5,382,754 2,691,377 8,074,132 4,037,066 2,018,533 6,055,600 3,027,800 1,513,900 756,950 378,475 1,135,426 567,713 1,703,140 851,570 425,785 1,277,356 638,678 319,339 958,018 479,009 1,437,028 718,514 359,257 1,077,772 538,886 269,443 808,330 404,165 1,212,496 606,248 303,124 151,562 75,781 227,344 113,672 56,836 28,418 14,209 42,628 21,314 10,657 31,972 15,986 7,993 23,980 11,990 5,995 17,986 8,993 26,980 13,490

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