λ
Sequence Observatory

3,753,578

2 × 181 × 10369
Deficient Even Composite

Starting at 3,753,578, the Collatz iteration reaches 1 after 159 steps. The first transition is 1876789; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 181 × 10369
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,662,020
Proper Divisor Sum 1,908,442
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #3753569 ← → #3753593

Radix Representation

Decimal 3753578
Binary 1110010100011001101010 (22 bits)
Octal 0o16243152
Hexadecimal 0x39466A

Divisor Catalog (8)

1 2 181 362 10,369 20,738 1,876,789 3,753,578

Collatz Trajectory (159 steps to reach 1)

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

3,753,578 1,876,789 5,630,368 2,815,184 1,407,592 703,796 351,898 175,949 527,848 263,924 131,962 65,981 197,944 98,972 49,486 24,743 74,230 37,115 111,346 55,673 167,020 83,510 41,755 125,266 62,633 187,900 93,950 46,975 140,926 70,463 211,390 105,695 317,086 158,543 475,630 237,815 713,446 356,723 1,070,170 535,085 1,605,256 802,628 401,314 200,657 601,972 300,986 150,493 451,480 225,740 112,870 56,435 169,306 84,653 253,960 126,980 63,490 31,745 95,236 47,618 23,809

More profiles

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