5² × 11 × 509

Prime Factor Structure

Factorization String 5^2 × 11 × 509

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 189,720

Proper Divisor Sum 49,745

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #139969 ← → #139981

1 5 11 25 55 275 509 2,545 5,599 12,725 27,995 139,975

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

139,975 419,926 209,963 629,890 314,945 944,836 472,418 236,209 708,628 354,314 177,157 531,472 265,736 132,868 66,434 33,217 99,652 49,826 24,913 74,740 37,370 18,685 56,056 28,028 14,014 7,007 21,022 10,511 31,534 15,767 47,302 23,651 70,954 35,477 106,432 53,216 26,608 13,304 6,652 3,326 1,663 4,990 2,495 7,486 3,743 11,230 5,615 16,846 8,423 25,270 12,635 37,906 18,953 56,860 28,430 14,215 42,646 21,323 63,970 31,985

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