157 × 4391

Prime Factor Structure

Factorization String 157 × 4391

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 693,936

Proper Divisor Sum 4,549

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #689383 ← → #689389

1 157 4,391 689,387

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

689,387 2,068,162 1,034,081 3,102,244 1,551,122 775,561 2,326,684 1,163,342 581,671 1,745,014 872,507 2,617,522 1,308,761 3,926,284 1,963,142 981,571 2,944,714 1,472,357 4,417,072 2,208,536 1,104,268 552,134 276,067 828,202 414,101 1,242,304 621,152 310,576 155,288 77,644 38,822 19,411 58,234 29,117 87,352 43,676 21,838 10,919 32,758 16,379 49,138 24,569 73,708 36,854 18,427 55,282 27,641 82,924 41,462 20,731 62,194 31,097 93,292 46,646 23,323 69,970 34,985 104,956 52,478 26,239

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