3 × 5 × 17 × 859

Prime Factor Structure

Factorization String 3 × 5 × 17 × 859

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 371,520

Proper Divisor Sum 152,475

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #219041 ← → #219053

1 3 5 15 17 51 85 255 859 2,577 4,295 12,885 14,603 43,809 73,015 219,045

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

219,045 657,136 328,568 164,284 82,142 41,071 123,214 61,607 184,822 92,411 277,234 138,617 415,852 207,926 103,963 311,890 155,945 467,836 233,918 116,959 350,878 175,439 526,318 263,159 789,478 394,739 1,184,218 592,109 1,776,328 888,164 444,082 222,041 666,124 333,062 166,531 499,594 249,797 749,392 374,696 187,348 93,674 46,837 140,512 70,256 35,128 17,564 8,782 4,391 13,174 6,587 19,762 9,881 29,644 14,822 7,411 22,234 11,117 33,352 16,676 8,338

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