3² × 7 × 2131

Prime Factor Structure

Factorization String 3^2 × 7 × 2131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 221,728

Proper Divisor Sum 87,475

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #134243 ← → #134257

1 3 7 9 21 63 2,131 6,393 14,917 19,179 44,751 134,253

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

134,253 402,760 201,380 100,690 50,345 151,036 75,518 37,759 113,278 56,639 169,918 84,959 254,878 127,439 382,318 191,159 573,478 286,739 860,218 430,109 1,290,328 645,164 322,582 161,291 483,874 241,937 725,812 362,906 181,453 544,360 272,180 136,090 68,045 204,136 102,068 51,034 25,517 76,552 38,276 19,138 9,569 28,708 14,354 7,177 21,532 10,766 5,383 16,150 8,075 24,226 12,113 36,340 18,170 9,085 27,256 13,628 6,814 3,407 10,222 5,111

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