2 × 69739

Prime Factor Structure

Factorization String 2 × 69739

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 209,220

Proper Divisor Sum 69,742

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #139459 ← → #139483

1 2 69,739 139,478

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

139,478 69,739 209,218 104,609 313,828 156,914 78,457 235,372 117,686 58,843 176,530 88,265 264,796 132,398 66,199 198,598 99,299 297,898 148,949 446,848 223,424 111,712 55,856 27,928 13,964 6,982 3,491 10,474 5,237 15,712 7,856 3,928 1,964 982 491 1,474 737 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777 5,332

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