3 × 7 × 131 × 241

Prime Factor Structure

Factorization String 3 × 7 × 131 × 241

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,022,208

Proper Divisor Sum 359,217

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #662957 ← → #662999

1 3 7 21 131 241 393 723 917 1,687 2,751 5,061 31,571 94,713 220,997 662,991

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

662,991 1,988,974 994,487 2,983,462 1,491,731 4,475,194 2,237,597 6,712,792 3,356,396 1,678,198 839,099 2,517,298 1,258,649 3,775,948 1,887,974 943,987 2,831,962 1,415,981 4,247,944 2,123,972 1,061,986 530,993 1,592,980 796,490 398,245 1,194,736 597,368 298,684 149,342 74,671 224,014 112,007 336,022 168,011 504,034 252,017 756,052 378,026 189,013 567,040 283,520 141,760 70,880 35,440 17,720 8,860 4,430 2,215 6,646 3,323 9,970 4,985 14,956 7,478 3,739 11,218 5,609 16,828 8,414 4,207

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