λ
Sequence Observatory

9,909,934

2 × 4954967
Deficient Even Composite

Starting at 9,909,934, the Collatz iteration reaches 1 after 189 steps. The first transition is 4954967; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4954967
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 14,864,904
Proper Divisor Sum 4,954,970
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #9909917 ← → #9909943

Radix Representation

Decimal 9909934
Binary 100101110011011010101110 (24 bits)
Octal 0o45633256
Hexadecimal 0x9736AE

Divisor Catalog (4)

1 2 4,954,967 9,909,934

Collatz Trajectory (189 steps to reach 1)

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

9,909,934 4,954,967 14,864,902 7,432,451 22,297,354 11,148,677 33,446,032 16,723,016 8,361,508 4,180,754 2,090,377 6,271,132 3,135,566 1,567,783 4,703,350 2,351,675 7,055,026 3,527,513 10,582,540 5,291,270 2,645,635 7,936,906 3,968,453 11,905,360 5,952,680 2,976,340 1,488,170 744,085 2,232,256 1,116,128 558,064 279,032 139,516 69,758 34,879 104,638 52,319 156,958 78,479 235,438 117,719 353,158 176,579 529,738 264,869 794,608 397,304 198,652 99,326 49,663 148,990 74,495 223,486 111,743 335,230 167,615 502,846 251,423 754,270 377,135

More profiles

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