2,147,990

2 × 5 × 13² × 31 × 41

Prime Factor Structure

Factorization String 2 × 5 × 13^2 × 31 × 41

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 48

Divisor Sum (σ) 4,427,136

Proper Divisor Sum 2,279,146

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #2147989 ← → #2148011

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

2,147,990 1,073,995 3,221,986 1,610,993 4,832,980 2,416,490 1,208,245 3,624,736 1,812,368 906,184 453,092 226,546 113,273 339,820 169,910 84,955 254,866 127,433 382,300 191,150 95,575 286,726 143,363 430,090 215,045 645,136 322,568 161,284 80,642 40,321 120,964 60,482 30,241 90,724 45,362 22,681 68,044 34,022 17,011 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

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