7,121,662

2 × 3560831

Starting at 7,121,662, the Collatz iteration reaches 1 after 266 steps. The first transition is 3560831; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 3560831

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 10,682,496

Proper Divisor Sum 3,560,834

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #7121629 ← → #7121669

Radix Representation

Decimal	7121662
Binary	11011001010101011111110 (23 bits)
Octal	0o33125376
Hexadecimal	0x6CAAFE

Divisor Catalog (4)

1 2 3,560,831 7,121,662

Collatz Trajectory (266 steps to reach 1)

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

7,121,662 3,560,831 10,682,494 5,341,247 16,023,742 8,011,871 24,035,614 12,017,807 36,053,422 18,026,711 54,080,134 27,040,067 81,120,202 40,560,101 121,680,304 60,840,152 30,420,076 15,210,038 7,605,019 22,815,058 11,407,529 34,222,588 17,111,294 8,555,647 25,666,942 12,833,471 38,500,414 19,250,207 57,750,622 28,875,311 86,625,934 43,312,967 129,938,902 64,969,451 194,908,354 97,454,177 292,362,532 146,181,266 73,090,633 219,271,900 109,635,950 54,817,975 164,453,926 82,226,963 246,680,890 123,340,445 370,021,336 185,010,668 92,505,334 46,252,667 138,758,002 69,379,001 208,137,004 104,068,502 52,034,251 156,102,754 78,051,377 234,154,132 117,077,066 58,538,533

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