3² × 41 × 139

Prime Factor Structure

Factorization String 3^2 × 41 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 76,440

Proper Divisor Sum 25,149

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #51287 ← → #51307

1 3 9 41 123 139 369 417 1,251 5,699 17,097 51,291

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

51,291 153,874 76,937 230,812 115,406 57,703 173,110 86,555 259,666 129,833 389,500 194,750 97,375 292,126 146,063 438,190 219,095 657,286 328,643 985,930 492,965 1,478,896 739,448 369,724 184,862 92,431 277,294 138,647 415,942 207,971 623,914 311,957 935,872 467,936 233,968 116,984 58,492 29,246 14,623 43,870 21,935 65,806 32,903 98,710 49,355 148,066 74,033 222,100 111,050 55,525 166,576 83,288 41,644 20,822 10,411 31,234 15,617 46,852 23,426 11,713

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