13 × 37 × 89 × 97

Prime Factor Structure

Factorization String 13 × 37 × 89 × 97

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,692,240

Proper Divisor Sum 539,767

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #4152433 ← → #4152503

1 13 37 89 97 481 1,157 1,261 3,293 3,589 8,633 42,809 46,657 112,229 319,421 4,152,473

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

4,152,473 12,457,420 6,228,710 3,114,355 9,343,066 4,671,533 14,014,600 7,007,300 3,503,650 1,751,825 5,255,476 2,627,738 1,313,869 3,941,608 1,970,804 985,402 492,701 1,478,104 739,052 369,526 184,763 554,290 277,145 831,436 415,718 207,859 623,578 311,789 935,368 467,684 233,842 116,921 350,764 175,382 87,691 263,074 131,537 394,612 197,306 98,653 295,960 147,980 73,990 36,995 110,986 55,493 166,480 83,240 41,620 20,810 10,405 31,216 15,608 7,804 3,902 1,951 5,854 2,927 8,782 4,391

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