3 × 7 × 131 × 151

Prime Factor Structure

Factorization String 3 × 7 × 131 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 642,048

Proper Divisor Sum 226,647

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #415391 ← → #415409

1 3 7 21 131 151 393 453 917 1,057 2,751 3,171 19,781 59,343 138,467 415,401

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

415,401 1,246,204 623,102 311,551 934,654 467,327 1,401,982 700,991 2,102,974 1,051,487 3,154,462 1,577,231 4,731,694 2,365,847 7,097,542 3,548,771 10,646,314 5,323,157 15,969,472 7,984,736 3,992,368 1,996,184 998,092 499,046 249,523 748,570 374,285 1,122,856 561,428 280,714 140,357 421,072 210,536 105,268 52,634 26,317 78,952 39,476 19,738 9,869 29,608 14,804 7,402 3,701 11,104 5,552 2,776 1,388 694 347 1,042 521 1,564 782 391 1,174 587 1,762 881 2,644

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