2² × 19² × 449

Prime Factor Structure

Factorization String 2^2 × 19^2 × 449

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,200,150

Proper Divisor Sum 551,794

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #648343 ← → #648371

1 2 4 19 38 76 361 449 722 898 1,444 1,796 8,531 17,062 34,124 162,089 324,178 648,356

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

648,356 324,178 162,089 486,268 243,134 121,567 364,702 182,351 547,054 273,527 820,582 410,291 1,230,874 615,437 1,846,312 923,156 461,578 230,789 692,368 346,184 173,092 86,546 43,273 129,820 64,910 32,455 97,366 48,683 146,050 73,025 219,076 109,538 54,769 164,308 82,154 41,077 123,232 61,616 30,808 15,404 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686

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