λ
Sequence Observatory

3,185,687

103 × 157 × 197
Deficient Odd Composite

Starting at 3,185,687, the Collatz iteration reaches 1 after 133 steps. The first transition is 9557062; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 103 × 157 × 197
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,253,536
Proper Divisor Sum 67,849
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #3185669 ← → #3185713

Radix Representation

Decimal 3185687
Binary 1100001001110000010111 (22 bits)
Octal 0o14116027
Hexadecimal 0x309C17

Divisor Catalog (8)

1 103 157 197 16,171 20,291 30,929 3,185,687

Collatz Trajectory (133 steps to reach 1)

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

3,185,687 9,557,062 4,778,531 14,335,594 7,167,797 21,503,392 10,751,696 5,375,848 2,687,924 1,343,962 671,981 2,015,944 1,007,972 503,986 251,993 755,980 377,990 188,995 566,986 283,493 850,480 425,240 212,620 106,310 53,155 159,466 79,733 239,200 119,600 59,800 29,900 14,950 7,475 22,426 11,213 33,640 16,820 8,410 4,205 12,616 6,308 3,154 1,577 4,732 2,366 1,183 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

More profiles

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