209,199

3 × 137 × 509

Prime Factor Structure

Factorization String 3 × 137 × 509

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 281,520

Proper Divisor Sum 72,321

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #209189 ← → #209201

1 3 137 411 509 1,527 69,733 209,199

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

209,199 627,598 313,799 941,398 470,699 1,412,098 706,049 2,118,148 1,059,074 529,537 1,588,612 794,306 397,153 1,191,460 595,730 297,865 893,596 446,798 223,399 670,198 335,099 1,005,298 502,649 1,507,948 753,974 376,987 1,130,962 565,481 1,696,444 848,222 424,111 1,272,334 636,167 1,908,502 954,251 2,862,754 1,431,377 4,294,132 2,147,066 1,073,533 3,220,600 1,610,300 805,150 402,575 1,207,726 603,863 1,811,590 905,795 2,717,386 1,358,693 4,076,080 2,038,040 1,019,020 509,510 254,755 764,266 382,133 1,146,400 573,200 286,600

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