3,954,649

3954649

Starting at 3,954,649, the Collatz iteration reaches 1 after 172 steps. The first transition is 11863948; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 3954649

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 3,954,650

Proper Divisor Sum 1

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #3954637 ← → #3954683

Radix Representation

Decimal	3954649
Binary	1111000101011111011001 (22 bits)
Octal	0o17053731
Hexadecimal	0x3C57D9

Divisor Catalog (2)

1 3,954,649

Collatz Trajectory (172 steps to reach 1)

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

3,954,649 11,863,948 5,931,974 2,965,987 8,897,962 4,448,981 13,346,944 6,673,472 3,336,736 1,668,368 834,184 417,092 208,546 104,273 312,820 156,410 78,205 234,616 117,308 58,654 29,327 87,982 43,991 131,974 65,987 197,962 98,981 296,944 148,472 74,236 37,118 18,559 55,678 27,839 83,518 41,759 125,278 62,639 187,918 93,959 281,878 140,939 422,818 211,409 634,228 317,114 158,557 475,672 237,836 118,918 59,459 178,378 89,189 267,568 133,784 66,892 33,446 16,723 50,170 25,085

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