3² × 7² × 3533

Prime Factor Structure

Factorization String 3^2 × 7^2 × 3533

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 2,618,694

Proper Divisor Sum 1,060,641

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1558009 ← → #1558061

1 3 7 9 21 49 63 147 441 3,533 10,599 24,731 31,797 74,193 173,117 222,579 519,351 1,558,053

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

1,558,053 4,674,160 2,337,080 1,168,540 584,270 292,135 876,406 438,203 1,314,610 657,305 1,971,916 985,958 492,979 1,478,938 739,469 2,218,408 1,109,204 554,602 277,301 831,904 415,952 207,976 103,988 51,994 25,997 77,992 38,996 19,498 9,749 29,248 14,624 7,312 3,656 1,828 914 457 1,372 686 343 1,030 515 1,546 773 2,320 1,160 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47

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