2² × 3 × 21517

Prime Factor Structure

Factorization String 2^2 × 3 × 21517

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 602,504

Proper Divisor Sum 344,300

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #258197 ← → #258211

1 2 3 4 6 12 21,517 43,034 64,551 86,068 129,102 258,204

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

258,204 129,102 64,551 193,654 96,827 290,482 145,241 435,724 217,862 108,931 326,794 163,397 490,192 245,096 122,548 61,274 30,637 91,912 45,956 22,978 11,489 34,468 17,234 8,617 25,852 12,926 6,463 19,390 9,695 29,086 14,543 43,630 21,815 65,446 32,723 98,170 49,085 147,256 73,628 36,814 18,407 55,222 27,611 82,834 41,417 124,252 62,126 31,063 93,190 46,595 139,786 69,893 209,680 104,840 52,420 26,210 13,105 39,316 19,658 9,829

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