2² × 3 × 13 × 1997

Prime Factor Structure

Factorization String 2^2 × 3 × 13 × 1997

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 783,216

Proper Divisor Sum 471,684

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #311473 ← → #311533

1 2 3 4 6 12 13 26 39 52 78 156 1,997 3,994 5,991 7,988 11,982 23,964 25,961 51,922 77,883 103,844 155,766 311,532

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

311,532 155,766 77,883 233,650 116,825 350,476 175,238 87,619 262,858 131,429 394,288 197,144 98,572 49,286 24,643 73,930 36,965 110,896 55,448 27,724 13,862 6,931 20,794 10,397 31,192 15,596 7,798 3,899 11,698 5,849 17,548 8,774 4,387 13,162 6,581 19,744 9,872 4,936 2,468 1,234 617 1,852 926 463 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881 2,644 1,322 661 1,984

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