λ
Sequence Observatory

3,712,843

3712843
Deficient Odd Prime

Starting at 3,712,843, the Collatz iteration reaches 1 after 185 steps. The first transition is 11138530; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 3712843
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 3,712,844
Proper Divisor Sum 1
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #3712831 ← → #3712871

Radix Representation

Decimal 3712843
Binary 1110001010011101001011 (22 bits)
Octal 0o16123513
Hexadecimal 0x38A74B

Divisor Catalog (2)

Collatz Trajectory (185 steps to reach 1)

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

3,712,843 11,138,530 5,569,265 16,707,796 8,353,898 4,176,949 12,530,848 6,265,424 3,132,712 1,566,356 783,178 391,589 1,174,768 587,384 293,692 146,846 73,423 220,270 110,135 330,406 165,203 495,610 247,805 743,416 371,708 185,854 92,927 278,782 139,391 418,174 209,087 627,262 313,631 940,894 470,447 1,411,342 705,671 2,117,014 1,058,507 3,175,522 1,587,761 4,763,284 2,381,642 1,190,821 3,572,464 1,786,232 893,116 446,558 223,279 669,838 334,919 1,004,758 502,379 1,507,138 753,569 2,260,708 1,130,354 565,177 1,695,532 847,766

More profiles

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