3² × 11 × 2137

Prime Factor Structure

Factorization String 3^2 × 11 × 2137

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 333,528

Proper Divisor Sum 121,965

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #211559 ← → #211571

1 3 9 11 33 99 2,137 6,411 19,233 23,507 70,521 211,563

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

211,563 634,690 317,345 952,036 476,018 238,009 714,028 357,014 178,507 535,522 267,761 803,284 401,642 200,821 602,464 301,232 150,616 75,308 37,654 18,827 56,482 28,241 84,724 42,362 21,181 63,544 31,772 15,886 7,943 23,830 11,915 35,746 17,873 53,620 26,810 13,405 40,216 20,108 10,054 5,027 15,082 7,541 22,624 11,312 5,656 2,828 1,414 707 2,122 1,061 3,184 1,592 796 398 199 598 299 898 449 1,348

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