7 × 19997

Prime Factor Structure

Factorization String 7 × 19997

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 159,984

Proper Divisor Sum 20,005

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #139969 ← → #139981

1 7 19,997 139,979

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

139,979 419,938 209,969 629,908 314,954 157,477 472,432 236,216 118,108 59,054 29,527 88,582 44,291 132,874 66,437 199,312 99,656 49,828 24,914 12,457 37,372 18,686 9,343 28,030 14,015 42,046 21,023 63,070 31,535 94,606 47,303 141,910 70,955 212,866 106,433 319,300 159,650 79,825 239,476 119,738 59,869 179,608 89,804 44,902 22,451 67,354 33,677 101,032 50,516 25,258 12,629 37,888 18,944 9,472 4,736 2,368 1,184 592 296 148

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