λ
Sequence Observatory

2,995,898

2 × 1497949
Deficient Even Composite

Starting at 2,995,898, the Collatz iteration reaches 1 after 182 steps. The first transition is 1497949; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1497949
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,493,850
Proper Divisor Sum 1,497,952
Digit Sum / Digital Root 50 (Root: 5)
Adjacent Primes #2995891 ← → #2995973

Radix Representation

Decimal 2995898
Binary 1011011011011010111010 (22 bits)
Octal 0o13333272
Hexadecimal 0x2DB6BA

Divisor Catalog (4)

1 2 1,497,949 2,995,898

Collatz Trajectory (182 steps to reach 1)

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

2,995,898 1,497,949 4,493,848 2,246,924 1,123,462 561,731 1,685,194 842,597 2,527,792 1,263,896 631,948 315,974 157,987 473,962 236,981 710,944 355,472 177,736 88,868 44,434 22,217 66,652 33,326 16,663 49,990 24,995 74,986 37,493 112,480 56,240 28,120 14,060 7,030 3,515 10,546 5,273 15,820 7,910 3,955 11,866 5,933 17,800 8,900 4,450 2,225 6,676 3,338 1,669 5,008 2,504 1,252 626 313 940 470 235 706 353 1,060 530

More profiles

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