λ
Sequence Observatory

368,429

19 × 19391
Deficient Odd Composite

Starting at 368,429, the Collatz iteration reaches 1 after 179 steps. The first transition is 1105288; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 19 × 19391
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 387,840
Proper Divisor Sum 19,411
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #368411 ← → #368443

Radix Representation

Decimal 368429
Binary 1011001111100101101 (19 bits)
Octal 0o1317455
Hexadecimal 0x59F2D

Divisor Catalog (4)

1 19 19,391 368,429

Collatz Trajectory (179 steps to reach 1)

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

368,429 1,105,288 552,644 276,322 138,161 414,484 207,242 103,621 310,864 155,432 77,716 38,858 19,429 58,288 29,144 14,572 7,286 3,643 10,930 5,465 16,396 8,198 4,099 12,298 6,149 18,448 9,224 4,612 2,306 1,153 3,460 1,730 865 2,596 1,298 649 1,948 974 487 1,462 731 2,194 1,097 3,292 1,646 823 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348

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