λ
Sequence Observatory

5,201,933

11 × 23 × 29 × 709
Deficient Odd Composite

Starting at 5,201,933, the Collatz iteration reaches 1 after 188 steps. The first transition is 15605800; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 11 × 23 × 29 × 709
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 6,134,400
Proper Divisor Sum 932,467
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #5201923 ← → #5201939

Radix Representation

Decimal 5201933
Binary 10011110110000000001101 (23 bits)
Octal 0o23660015
Hexadecimal 0x4F600D

Divisor Catalog (16)

1 11 23 29 253 319 667 709 7,337 7,799 16,307 20,561 179,377 226,171 472,903 5,201,933

Collatz Trajectory (188 steps to reach 1)

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

5,201,933 15,605,800 7,802,900 3,901,450 1,950,725 5,852,176 2,926,088 1,463,044 731,522 365,761 1,097,284 548,642 274,321 822,964 411,482 205,741 617,224 308,612 154,306 77,153 231,460 115,730 57,865 173,596 86,798 43,399 130,198 65,099 195,298 97,649 292,948 146,474 73,237 219,712 109,856 54,928 27,464 13,732 6,866 3,433 10,300 5,150 2,575 7,726 3,863 11,590 5,795 17,386 8,693 26,080 13,040 6,520 3,260 1,630 815 2,446 1,223 3,670 1,835 5,506

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