3 × 7 × 157

Prime Factor Structure

Factorization String 3 × 7 × 157

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 5,056

Proper Divisor Sum 1,759

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #3271 ← → #3299

1 3 7 21 157 471 1,099 3,297

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

3,297 9,892 4,946 2,473 7,420 3,710 1,855 5,566 2,783 8,350 4,175 12,526 6,263 18,790 9,395 28,186 14,093 42,280 21,140 10,570 5,285 15,856 7,928 3,964 1,982 991 2,974 1,487 4,462 2,231 6,694 3,347 10,042 5,021 15,064 7,532 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050 4,025 12,076 6,038 3,019 9,058 4,529

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