2 × 3³ × 13 × 311

Prime Factor Structure

Factorization String 2 × 3^3 × 13 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 524,160

Proper Divisor Sum 305,838

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #218287 ← → #218357

1 2 3 6 9 13 18 26 27 39 54 78 117 234 311 351 622 702 933 1,866 2,799 4,043 5,598 8,086 8,397 12,129 16,794 24,258 36,387 72,774 109,161 218,322

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

218,322 109,161 327,484 163,742 81,871 245,614 122,807 368,422 184,211 552,634 276,317 828,952 414,476 207,238 103,619 310,858 155,429 466,288 233,144 116,572 58,286 29,143 87,430 43,715 131,146 65,573 196,720 98,360 49,180 24,590 12,295 36,886 18,443 55,330 27,665 82,996 41,498 20,749 62,248 31,124 15,562 7,781 23,344 11,672 5,836 2,918 1,459 4,378 2,189 6,568 3,284 1,642 821 2,464 1,232 616 308 154 77 232

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