4,681,018

2 × 17 × 37 × 61²

Starting at 4,681,018, the Collatz iteration reaches 1 after 131 steps. The first transition is 2340509; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2 × 17 × 37 × 61^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 7,762,716

Proper Divisor Sum 3,081,698

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #4681009 ← → #4681037

Radix Representation

Decimal	4681018
Binary	10001110110110100111010 (23 bits)
Octal	0o21666472
Hexadecimal	0x476D3A

Divisor Catalog (24)

1 2 17 34 37 61 74 122 629 1,037 1,258 2,074 2,257 3,721 4,514 7,442 38,369 63,257 76,738 126,514 137,677 275,354 2,340,509 4,681,018

Collatz Trajectory (131 steps to reach 1)

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

4,681,018 2,340,509 7,021,528 3,510,764 1,755,382 877,691 2,633,074 1,316,537 3,949,612 1,974,806 987,403 2,962,210 1,481,105 4,443,316 2,221,658 1,110,829 3,332,488 1,666,244 833,122 416,561 1,249,684 624,842 312,421 937,264 468,632 234,316 117,158 58,579 175,738 87,869 263,608 131,804 65,902 32,951 98,854 49,427 148,282 74,141 222,424 111,212 55,606 27,803 83,410 41,705 125,116 62,558 31,279 93,838 46,919 140,758 70,379 211,138 105,569 316,708 158,354 79,177 237,532 118,766 59,383 178,150

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