λ
Sequence Observatory

5,109,001

1879 × 2719
Deficient Odd Composite

Starting at 5,109,001, the Collatz iteration reaches 1 after 175 steps. The first transition is 15327004; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 1879 × 2719
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,113,600
Proper Divisor Sum 4,599
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #5108989 ← → #5109019

Radix Representation

Decimal 5109001
Binary 10011011111010100001001 (23 bits)
Octal 0o23372411
Hexadecimal 0x4DF509

Divisor Catalog (4)

1 1,879 2,719 5,109,001

Collatz Trajectory (175 steps to reach 1)

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

5,109,001 15,327,004 7,663,502 3,831,751 11,495,254 5,747,627 17,242,882 8,621,441 25,864,324 12,932,162 6,466,081 19,398,244 9,699,122 4,849,561 14,548,684 7,274,342 3,637,171 10,911,514 5,455,757 16,367,272 8,183,636 4,091,818 2,045,909 6,137,728 3,068,864 1,534,432 767,216 383,608 191,804 95,902 47,951 143,854 71,927 215,782 107,891 323,674 161,837 485,512 242,756 121,378 60,689 182,068 91,034 45,517 136,552 68,276 34,138 17,069 51,208 25,604 12,802 6,401 19,204 9,602 4,801 14,404 7,202 3,601 10,804 5,402

More profiles

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