3 × 5² × 277

Prime Factor Structure

Factorization String 3 × 5^2 × 277

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 34,472

Proper Divisor Sum 13,697

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #20773 ← → #20789

1 3 5 15 25 75 277 831 1,385 4,155 6,925 20,775

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

20,775 62,326 31,163 93,490 46,745 140,236 70,118 35,059 105,178 52,589 157,768 78,884 39,442 19,721 59,164 29,582 14,791 44,374 22,187 66,562 33,281 99,844 49,922 24,961 74,884 37,442 18,721 56,164 28,082 14,041 42,124 21,062 10,531 31,594 15,797 47,392 23,696 11,848 5,924 2,962 1,481 4,444 2,222 1,111 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469 1,408 704 352 176 88 44 22

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