1,620,198

2 × 3² × 90011

Prime Factor Structure

Factorization String 2 × 3^2 × 90011

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 12

Divisor Sum (σ) 3,510,468

Proper Divisor Sum 1,890,270

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1620161 ← → #1620209

1 2 3 6 9 18 90,011 180,022 270,033 540,066 810,099 1,620,198

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

1,620,198 810,099 2,430,298 1,215,149 3,645,448 1,822,724 911,362 455,681 1,367,044 683,522 341,761 1,025,284 512,642 256,321 768,964 384,482 192,241 576,724 288,362 144,181 432,544 216,272 108,136 54,068 27,034 13,517 40,552 20,276 10,138 5,069 15,208 7,604 3,802 1,901 5,704 2,852 1,426 713 2,140 1,070 535 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113 340 170 85 256 128 64 32 16 8

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