4,133,429

199 × 20771

Starting at 4,133,429, the Collatz iteration reaches 1 after 229 steps. The first transition is 12400288; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 199 × 20771

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,154,400

Proper Divisor Sum 20,971

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #4133419 ← → #4133449

Radix Representation

Decimal	4133429
Binary	1111110001001000110101 (22 bits)
Octal	0o17611065
Hexadecimal	0x3F1235

Divisor Catalog (4)

1 199 20,771 4,133,429

Collatz Trajectory (229 steps to reach 1)

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

4,133,429 12,400,288 6,200,144 3,100,072 1,550,036 775,018 387,509 1,162,528 581,264 290,632 145,316 72,658 36,329 108,988 54,494 27,247 81,742 40,871 122,614 61,307 183,922 91,961 275,884 137,942 68,971 206,914 103,457 310,372 155,186 77,593 232,780 116,390 58,195 174,586 87,293 261,880 130,940 65,470 32,735 98,206 49,103 147,310 73,655 220,966 110,483 331,450 165,725 497,176 248,588 124,294 62,147 186,442 93,221 279,664 139,832 69,916 34,958 17,479 52,438 26,219

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