139 × 523

Prime Factor Structure

Factorization String 139 × 523

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 73,360

Proper Divisor Sum 663

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #72689 ← → #72701

1 139 523 72,697

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

72,697 218,092 109,046 54,523 163,570 81,785 245,356 122,678 61,339 184,018 92,009 276,028 138,014 69,007 207,022 103,511 310,534 155,267 465,802 232,901 698,704 349,352 174,676 87,338 43,669 131,008 65,504 32,752 16,376 8,188 4,094 2,047 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551 46,654 23,327 69,982 34,991 104,974 52,487 157,462 78,731 236,194 118,097 354,292 177,146 88,573 265,720 132,860 66,430 33,215 99,646

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