λ
Sequence Observatory

1,650,014

2 × 825007
Deficient Even Composite

Starting at 1,650,014, the Collatz iteration reaches 1 after 176 steps. The first transition is 825007; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 825007
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,475,024
Proper Divisor Sum 825,010
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #1650001 ← → #1650023

Radix Representation

Decimal 1650014
Binary 110010010110101011110 (21 bits)
Octal 0o6226536
Hexadecimal 0x192D5E

Divisor Catalog (4)

1 2 825,007 1,650,014

Collatz Trajectory (176 steps to reach 1)

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

1,650,014 825,007 2,475,022 1,237,511 3,712,534 1,856,267 5,568,802 2,784,401 8,353,204 4,176,602 2,088,301 6,264,904 3,132,452 1,566,226 783,113 2,349,340 1,174,670 587,335 1,762,006 881,003 2,643,010 1,321,505 3,964,516 1,982,258 991,129 2,973,388 1,486,694 743,347 2,230,042 1,115,021 3,345,064 1,672,532 836,266 418,133 1,254,400 627,200 313,600 156,800 78,400 39,200 19,600 9,800 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104 1,552 776 388 194 97 292

More profiles

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