2² × 5² × 3907

Prime Factor Structure

Factorization String 2^2 × 5^2 × 3907

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 848,036

Proper Divisor Sum 457,336

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #390673 ← → #390703

1 2 4 5 10 20 25 50 100 3,907 7,814 15,628 19,535 39,070 78,140 97,675 195,350 390,700

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

390,700 195,350 97,675 293,026 146,513 439,540 219,770 109,885 329,656 164,828 82,414 41,207 123,622 61,811 185,434 92,717 278,152 139,076 69,538 34,769 104,308 52,154 26,077 78,232 39,116 19,558 9,779 29,338 14,669 44,008 22,004 11,002 5,501 16,504 8,252 4,126 2,063 6,190 3,095 9,286 4,643 13,930 6,965 20,896 10,448 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23 70

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