7 × 13 × 17 × 2551

Prime Factor Structure

Factorization String 7 × 13 × 17 × 2551

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,144,832

Proper Divisor Sum 1,198,435

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #3946391 ← → #3946399

1 7 13 17 91 119 221 1,547 2,551 17,857 33,163 43,367 232,141 303,569 563,771 3,946,397

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

3,946,397 11,839,192 5,919,596 2,959,798 1,479,899 4,439,698 2,219,849 6,659,548 3,329,774 1,664,887 4,994,662 2,497,331 7,491,994 3,745,997 11,237,992 5,618,996 2,809,498 1,404,749 4,214,248 2,107,124 1,053,562 526,781 1,580,344 790,172 395,086 197,543 592,630 296,315 888,946 444,473 1,333,420 666,710 333,355 1,000,066 500,033 1,500,100 750,050 375,025 1,125,076 562,538 281,269 843,808 421,904 210,952 105,476 52,738 26,369 79,108 39,554 19,777 59,332 29,666 14,833 44,500 22,250 11,125 33,376 16,688 8,344 4,172

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