2² × 172439

Prime Factor Structure

Factorization String 2^2 × 172439

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,207,080

Proper Divisor Sum 517,324

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #689723 ← → #689761

1 2 4 172,439 344,878 689,756

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

689,756 344,878 172,439 517,318 258,659 775,978 387,989 1,163,968 581,984 290,992 145,496 72,748 36,374 18,187 54,562 27,281 81,844 40,922 20,461 61,384 30,692 15,346 7,673 23,020 11,510 5,755 17,266 8,633 25,900 12,950 6,475 19,426 9,713 29,140 14,570 7,285 21,856 10,928 5,464 2,732 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122

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