2² × 5 × 32327

Prime Factor Structure

Factorization String 2^2 × 5 × 32327

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,357,776

Proper Divisor Sum 711,236

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #646537 ← → #646543

1 2 4 5 10 20 32,327 64,654 129,308 161,635 323,270 646,540

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

646,540 323,270 161,635 484,906 242,453 727,360 363,680 181,840 90,920 45,460 22,730 11,365 34,096 17,048 8,524 4,262 2,131 6,394 3,197 9,592 4,796 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688

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