6,618,621

3 × 2206207

6,618,621 factors as 3 × 2206207. Its 4 positive divisors give a proper-divisor sum of 2,206,211, so this integer is deficient. The Collatz stopping time is 240 steps.

Prime Factor Structure

Factorization String 3 × 2206207

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,824,832

Proper Divisor Sum 2,206,211

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #6618617 ← → #6618653

Radix Representation

Decimal	6618621
Binary	11001001111110111111101 (23 bits)
Octal	0o31176775
Hexadecimal	0x64FDFD

Divisor Catalog (4)

1 3 2,206,207 6,618,621

Collatz Trajectory (240 steps to reach 1)

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

6,618,621 19,855,864 9,927,932 4,963,966 2,481,983 7,445,950 3,722,975 11,168,926 5,584,463 16,753,390 8,376,695 25,130,086 12,565,043 37,695,130 18,847,565 56,542,696 28,271,348 14,135,674 7,067,837 21,203,512 10,601,756 5,300,878 2,650,439 7,951,318 3,975,659 11,926,978 5,963,489 17,890,468 8,945,234 4,472,617 13,417,852 6,708,926 3,354,463 10,063,390 5,031,695 15,095,086 7,547,543 22,642,630 11,321,315 33,963,946 16,981,973 50,945,920 25,472,960 12,736,480 6,368,240 3,184,120 1,592,060 796,030 398,015 1,194,046 597,023 1,791,070 895,535 2,686,606 1,343,303 4,029,910 2,014,955 6,044,866 3,022,433 9,067,300

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