λ
Sequence Observatory

7,122,284

22 × 13 × 29 × 4723
Deficient Even Composite

Starting at 7,122,284, the Collatz iteration reaches 1 after 121 steps. The first transition is 3561142; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 13 × 29 × 4723
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 13,888,560
Proper Divisor Sum 6,766,276
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #7122263 ← → #7122289

Radix Representation

Decimal 7122284
Binary 11011001010110101101100 (23 bits)
Octal 0o33126554
Hexadecimal 0x6CAD6C

Divisor Catalog (24)

1 2 4 13 26 29 52 58 116 377 754 1,508 4,723 9,446 18,892 61,399 122,798 136,967 245,596 273,934 547,868 1,780,571 3,561,142 7,122,284

Collatz Trajectory (121 steps to reach 1)

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

7,122,284 3,561,142 1,780,571 5,341,714 2,670,857 8,012,572 4,006,286 2,003,143 6,009,430 3,004,715 9,014,146 4,507,073 13,521,220 6,760,610 3,380,305 10,140,916 5,070,458 2,535,229 7,605,688 3,802,844 1,901,422 950,711 2,852,134 1,426,067 4,278,202 2,139,101 6,417,304 3,208,652 1,604,326 802,163 2,406,490 1,203,245 3,609,736 1,804,868 902,434 451,217 1,353,652 676,826 338,413 1,015,240 507,620 253,810 126,905 380,716 190,358 95,179 285,538 142,769 428,308 214,154 107,077 321,232 160,616 80,308 40,154 20,077 60,232 30,116 15,058 7,529

More profiles

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