2² × 7 × 71 × 311

Prime Factor Structure

Factorization String 2^2 × 7 × 71 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,257,984

Proper Divisor Sum 639,716

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #618257 ← → #618269

1 2 4 7 14 28 71 142 284 311 497 622 994 1,244 1,988 2,177 4,354 8,708 22,081 44,162 88,324 154,567 309,134 618,268

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

618,268 309,134 154,567 463,702 231,851 695,554 347,777 1,043,332 521,666 260,833 782,500 391,250 195,625 586,876 293,438 146,719 440,158 220,079 660,238 330,119 990,358 495,179 1,485,538 742,769 2,228,308 1,114,154 557,077 1,671,232 835,616 417,808 208,904 104,452 52,226 26,113 78,340 39,170 19,585 58,756 29,378 14,689 44,068 22,034 11,017 33,052 16,526 8,263 24,790 12,395 37,186 18,593 55,780 27,890 13,945 41,836 20,918 10,459 31,378 15,689 47,068 23,534

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