3 × 7 × 59 × 557

Prime Factor Structure

Factorization String 3 × 7 × 59 × 557

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,071,360

Proper Divisor Sum 381,237

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #690119 ← → #690127

1 3 7 21 59 177 413 557 1,239 1,671 3,899 11,697 32,863 98,589 230,041 690,123

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

690,123 2,070,370 1,035,185 3,105,556 1,552,778 776,389 2,329,168 1,164,584 582,292 291,146 145,573 436,720 218,360 109,180 54,590 27,295 81,886 40,943 122,830 61,415 184,246 92,123 276,370 138,185 414,556 207,278 103,639 310,918 155,459 466,378 233,189 699,568 349,784 174,892 87,446 43,723 131,170 65,585 196,756 98,378 49,189 147,568 73,784 36,892 18,446 9,223 27,670 13,835 41,506 20,753 62,260 31,130 15,565 46,696 23,348 11,674 5,837 17,512 8,756 4,378

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