2 × 17 × 79 × 257

Prime Factor Structure

Factorization String 2 × 17 × 79 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,114,560

Proper Divisor Sum 424,258

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #690293 ← → #690323

1 2 17 34 79 158 257 514 1,343 2,686 4,369 8,738 20,303 40,606 345,151 690,302

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

690,302 345,151 1,035,454 517,727 1,553,182 776,591 2,329,774 1,164,887 3,494,662 1,747,331 5,241,994 2,620,997 7,862,992 3,931,496 1,965,748 982,874 491,437 1,474,312 737,156 368,578 184,289 552,868 276,434 138,217 414,652 207,326 103,663 310,990 155,495 466,486 233,243 699,730 349,865 1,049,596 524,798 262,399 787,198 393,599 1,180,798 590,399 1,771,198 885,599 2,656,798 1,328,399 3,985,198 1,992,599 5,977,798 2,988,899 8,966,698 4,483,349 13,450,048 6,725,024 3,362,512 1,681,256 840,628 420,314 210,157 630,472 315,236 157,618

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