2 × 13 × 89 × 643

Prime Factor Structure

Factorization String 2 × 13 × 89 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,434,320

Proper Divisor Sum 946,418

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1487887 ← → #1487917

1 2 13 26 89 178 643 1,157 1,286 2,314 8,359 16,718 57,227 114,454 743,951 1,487,902

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

1,487,902 743,951 2,231,854 1,115,927 3,347,782 1,673,891 5,021,674 2,510,837 7,532,512 3,766,256 1,883,128 941,564 470,782 235,391 706,174 353,087 1,059,262 529,631 1,588,894 794,447 2,383,342 1,191,671 3,575,014 1,787,507 5,362,522 2,681,261 8,043,784 4,021,892 2,010,946 1,005,473 3,016,420 1,508,210 754,105 2,262,316 1,131,158 565,579 1,696,738 848,369 2,545,108 1,272,554 636,277 1,908,832 954,416 477,208 238,604 119,302 59,651 178,954 89,477 268,432 134,216 67,108 33,554 16,777 50,332 25,166 12,583 37,750 18,875 56,626

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