7 × 19 × 31 × 109

Prime Factor Structure

Factorization String 7 × 19 × 31 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 563,200

Proper Divisor Sum 113,793

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #449399 ← → #449411

1 7 19 31 109 133 217 589 763 2,071 3,379 4,123 14,497 23,653 64,201 449,407

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

449,407 1,348,222 674,111 2,022,334 1,011,167 3,033,502 1,516,751 4,550,254 2,275,127 6,825,382 3,412,691 10,238,074 5,119,037 15,357,112 7,678,556 3,839,278 1,919,639 5,758,918 2,879,459 8,638,378 4,319,189 12,957,568 6,478,784 3,239,392 1,619,696 809,848 404,924 202,462 101,231 303,694 151,847 455,542 227,771 683,314 341,657 1,024,972 512,486 256,243 768,730 384,365 1,153,096 576,548 288,274 144,137 432,412 216,206 108,103 324,310 162,155 486,466 243,233 729,700 364,850 182,425 547,276 273,638 136,819 410,458 205,229 615,688

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