λ
Sequence Observatory

2,739,326

2 × 557 × 2459
Deficient Even Composite

Starting at 2,739,326, the Collatz iteration reaches 1 after 192 steps. The first transition is 1369663; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 557 × 2459
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 4,118,040
Proper Divisor Sum 1,378,714
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #2739313 ← → #2739337

Radix Representation

Decimal 2739326
Binary 1010011100110001111110 (22 bits)
Octal 0o12346176
Hexadecimal 0x29CC7E

Divisor Catalog (8)

1 2 557 1,114 2,459 4,918 1,369,663 2,739,326

Collatz Trajectory (192 steps to reach 1)

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

2,739,326 1,369,663 4,108,990 2,054,495 6,163,486 3,081,743 9,245,230 4,622,615 13,867,846 6,933,923 20,801,770 10,400,885 31,202,656 15,601,328 7,800,664 3,900,332 1,950,166 975,083 2,925,250 1,462,625 4,387,876 2,193,938 1,096,969 3,290,908 1,645,454 822,727 2,468,182 1,234,091 3,702,274 1,851,137 5,553,412 2,776,706 1,388,353 4,165,060 2,082,530 1,041,265 3,123,796 1,561,898 780,949 2,342,848 1,171,424 585,712 292,856 146,428 73,214 36,607 109,822 54,911 164,734 82,367 247,102 123,551 370,654 185,327 555,982 277,991 833,974 416,987 1,250,962 625,481

More profiles

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