5 × 13 × 37 × 109

Prime Factor Structure

Factorization String 5 × 13 × 37 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 351,120

Proper Divisor Sum 88,975

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #262139 ← → #262147

1 5 13 37 65 109 185 481 545 1,417 2,405 4,033 7,085 20,165 52,429 262,145

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

262,145 786,436 393,218 196,609 589,828 294,914 147,457 442,372 221,186 110,593 331,780 165,890 82,945 248,836 124,418 62,209 186,628 93,314 46,657 139,972 69,986 34,993 104,980 52,490 26,245 78,736 39,368 19,684 9,842 4,921 14,764 7,382 3,691 11,074 5,537 16,612 8,306 4,153 12,460 6,230 3,115 9,346 4,673 14,020 7,010 3,505 10,516 5,258 2,629 7,888 3,944 1,972 986 493 1,480 740 370 185 556 278

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