13² × 19 × 419

Prime Factor Structure

Factorization String 13^2 × 19 × 419

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,537,200

Proper Divisor Sum 191,791

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1345361 ← → #1345423

1 13 19 169 247 419 3,211 5,447 7,961 70,811 103,493 1,345,409

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

1,345,409 4,036,228 2,018,114 1,009,057 3,027,172 1,513,586 756,793 2,270,380 1,135,190 567,595 1,702,786 851,393 2,554,180 1,277,090 638,545 1,915,636 957,818 478,909 1,436,728 718,364 359,182 179,591 538,774 269,387 808,162 404,081 1,212,244 606,122 303,061 909,184 454,592 227,296 113,648 56,824 28,412 14,206 7,103 21,310 10,655 31,966 15,983 47,950 23,975 71,926 35,963 107,890 53,945 161,836 80,918 40,459 121,378 60,689 182,068 91,034 45,517 136,552 68,276 34,138 17,069 51,208

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