2² × 5² × 7877

Prime Factor Structure

Factorization String 2^2 × 5^2 × 7877

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,709,526

Proper Divisor Sum 921,826

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #787697 ← → #787711

1 2 4 5 10 20 25 50 100 7,877 15,754 31,508 39,385 78,770 157,540 196,925 393,850 787,700

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

787,700 393,850 196,925 590,776 295,388 147,694 73,847 221,542 110,771 332,314 166,157 498,472 249,236 124,618 62,309 186,928 93,464 46,732 23,366 11,683 35,050 17,525 52,576 26,288 13,144 6,572 3,286 1,643 4,930 2,465 7,396 3,698 1,849 5,548 2,774 1,387 4,162 2,081 6,244 3,122 1,561 4,684 2,342 1,171 3,514 1,757 5,272 2,636 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836

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