2² × 3 × 5 × 41 × 263

Prime Factor Structure

Factorization String 2^2 × 3 × 5 × 41 × 263

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,862,784

Proper Divisor Sum 1,215,804

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #646979 ← → #646981

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

646,980 323,490 161,745 485,236 242,618 121,309 363,928 181,964 90,982 45,491 136,474 68,237 204,712 102,356 51,178 25,589 76,768 38,384 19,192 9,596 4,798 2,399 7,198 3,599 10,798 5,399 16,198 8,099 24,298 12,149 36,448 18,224 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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