3² × 19 × 23 × 71

Prime Factor Structure

Factorization String 3^2 × 19 × 23 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 449,280

Proper Divisor Sum 170,037

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #279221 ← → #279269

1 3 9 19 23 57 69 71 171 207 213 437 639 1,311 1,349 1,633 3,933 4,047 4,899 12,141 14,697 31,027 93,081 279,243

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

279,243 837,730 418,865 1,256,596 628,298 314,149 942,448 471,224 235,612 117,806 58,903 176,710 88,355 265,066 132,533 397,600 198,800 99,400 49,700 24,850 12,425 37,276 18,638 9,319 27,958 13,979 41,938 20,969 62,908 31,454 15,727 47,182 23,591 70,774 35,387 106,162 53,081 159,244 79,622 39,811 119,434 59,717 179,152 89,576 44,788 22,394 11,197 33,592 16,796 8,398 4,199 12,598 6,299 18,898 9,449 28,348 14,174 7,087 21,262 10,631

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