339,640

2³ × 5 × 7 × 1213

Prime Factor Structure

Factorization String 2^3 × 5 × 7 × 1213

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 32

Divisor Sum (σ) 874,080

Proper Divisor Sum 534,440

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #339637 ← → #339649

1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1,213 2,426 4,852 6,065 8,491 9,704 12,130 16,982 24,260 33,964 42,455 48,520 67,928 84,910 169,820 339,640

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

339,640 169,820 84,910 42,455 127,366 63,683 191,050 95,525 286,576 143,288 71,644 35,822 17,911 53,734 26,867 80,602 40,301 120,904 60,452 30,226 15,113 45,340 22,670 11,335 34,006 17,003 51,010 25,505 76,516 38,258 19,129 57,388 28,694 14,347 43,042 21,521 64,564 32,282 16,141 48,424 24,212 12,106 6,053 18,160 9,080 4,540 2,270 1,135 3,406 1,703 5,110 2,555 7,666 3,833 11,500 5,750 2,875 8,626 4,313 12,940

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