3 × 7 × 23 × 809

Prime Factor Structure

Factorization String 3 × 7 × 23 × 809

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 622,080

Proper Divisor Sum 231,333

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #390743 ← → #390751

1 3 7 21 23 69 161 483 809 2,427 5,663 16,989 18,607 55,821 130,249 390,747

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

390,747 1,172,242 586,121 1,758,364 879,182 439,591 1,318,774 659,387 1,978,162 989,081 2,967,244 1,483,622 741,811 2,225,434 1,112,717 3,338,152 1,669,076 834,538 417,269 1,251,808 625,904 312,952 156,476 78,238 39,119 117,358 58,679 176,038 88,019 264,058 132,029 396,088 198,044 99,022 49,511 148,534 74,267 222,802 111,401 334,204 167,102 83,551 250,654 125,327 375,982 187,991 563,974 281,987 845,962 422,981 1,268,944 634,472 317,236 158,618 79,309 237,928 118,964 59,482 29,741 89,224

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