λ
Sequence Observatory

6,649,196

22 × 37 × 44927
Deficient Even Composite

Starting at 6,649,196, the Collatz iteration reaches 1 after 139 steps. The first transition is 3324598; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 37 × 44927
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 11,950,848
Proper Divisor Sum 5,301,652
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #6649189 ← → #6649199

Radix Representation

Decimal 6649196
Binary 11001010111010101101100 (23 bits)
Octal 0o31272554
Hexadecimal 0x65756C

Divisor Catalog (12)

1 2 4 37 74 148 44,927 89,854 179,708 1,662,299 3,324,598 6,649,196

Collatz Trajectory (139 steps to reach 1)

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

6,649,196 3,324,598 1,662,299 4,986,898 2,493,449 7,480,348 3,740,174 1,870,087 5,610,262 2,805,131 8,415,394 4,207,697 12,623,092 6,311,546 3,155,773 9,467,320 4,733,660 2,366,830 1,183,415 3,550,246 1,775,123 5,325,370 2,662,685 7,988,056 3,994,028 1,997,014 998,507 2,995,522 1,497,761 4,493,284 2,246,642 1,123,321 3,369,964 1,684,982 842,491 2,527,474 1,263,737 3,791,212 1,895,606 947,803 2,843,410 1,421,705 4,265,116 2,132,558 1,066,279 3,198,838 1,599,419 4,798,258 2,399,129 7,197,388 3,598,694 1,799,347 5,398,042 2,699,021 8,097,064 4,048,532 2,024,266 1,012,133 3,036,400 1,518,200

More profiles

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