λ
Sequence Observatory

5,198,429

5198429
Deficient Odd Prime

Starting at 5,198,429, the Collatz iteration reaches 1 after 144 steps. The first transition is 15595288; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 5198429
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 5,198,430
Proper Divisor Sum 1
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #5198423 ← → #5198441

Radix Representation

Decimal 5198429
Binary 10011110101001001011101 (23 bits)
Octal 0o23651135
Hexadecimal 0x4F525D

Divisor Catalog (2)

1 5,198,429

Collatz Trajectory (144 steps to reach 1)

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

5,198,429 15,595,288 7,797,644 3,898,822 1,949,411 5,848,234 2,924,117 8,772,352 4,386,176 2,193,088 1,096,544 548,272 274,136 137,068 68,534 34,267 102,802 51,401 154,204 77,102 38,551 115,654 57,827 173,482 86,741 260,224 130,112 65,056 32,528 16,264 8,132 4,066 2,033 6,100 3,050 1,525 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155

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