397 × 1721

Prime Factor Structure

Factorization String 397 × 1721

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 685,356

Proper Divisor Sum 2,119

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #683231 ← → #683251

1 397 1,721 683,237

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

683,237 2,049,712 1,024,856 512,428 256,214 128,107 384,322 192,161 576,484 288,242 144,121 432,364 216,182 108,091 324,274 162,137 486,412 243,206 121,603 364,810 182,405 547,216 273,608 136,804 68,402 34,201 102,604 51,302 25,651 76,954 38,477 115,432 57,716 28,858 14,429 43,288 21,644 10,822 5,411 16,234 8,117 24,352 12,176 6,088 3,044 1,522 761 2,284 1,142 571 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724

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