λ
Sequence Observatory

1,914,699

3 × 638233
Deficient Odd Composite

Starting at 1,914,699, the Collatz iteration reaches 1 after 109 steps. The first transition is 5744098; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 638233
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,552,936
Proper Divisor Sum 638,237
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #1914691 ← → #1914707

Radix Representation

Decimal 1914699
Binary 111010011011101001011 (21 bits)
Octal 0o7233513
Hexadecimal 0x1D374B

Divisor Catalog (4)

Collatz Trajectory (109 steps to reach 1)

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

1,914,699 5,744,098 2,872,049 8,616,148 4,308,074 2,154,037 6,462,112 3,231,056 1,615,528 807,764 403,882 201,941 605,824 302,912 151,456 75,728 37,864 18,932 9,466 4,733 14,200 7,100 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980 8,990 4,495 13,486 6,743 20,230 10,115 30,346 15,173 45,520 22,760 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201 3,604 1,802 901 2,704 1,352 676 338

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