139 × 157 × 181

Prime Factor Structure

Factorization String 139 × 157 × 181

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,025,840

Proper Divisor Sum 75,877

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #3949961 ← → #3949969

1 139 157 181 21,823 25,159 28,417 3,949,963

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

3,949,963 11,849,890 5,924,945 17,774,836 8,887,418 4,443,709 13,331,128 6,665,564 3,332,782 1,666,391 4,999,174 2,499,587 7,498,762 3,749,381 11,248,144 5,624,072 2,812,036 1,406,018 703,009 2,109,028 1,054,514 527,257 1,581,772 790,886 395,443 1,186,330 593,165 1,779,496 889,748 444,874 222,437 667,312 333,656 166,828 83,414 41,707 125,122 62,561 187,684 93,842 46,921 140,764 70,382 35,191 105,574 52,787 158,362 79,181 237,544 118,772 59,386 29,693 89,080 44,540 22,270 11,135 33,406 16,703 50,110 25,055

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