4,971,112

2³ × 621389

Starting at 4,971,112, the Collatz iteration reaches 1 after 113 steps. The first transition is 2485556; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 621389

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 9,320,850

Proper Divisor Sum 4,349,738

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #4971053 ← → #4971133

Radix Representation

Decimal	4971112
Binary	10010111101101001101000 (23 bits)
Octal	0o22755150
Hexadecimal	0x4BDA68

Divisor Catalog (8)

1 2 4 8 621,389 1,242,778 2,485,556 4,971,112

Collatz Trajectory (113 steps to reach 1)

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

4,971,112 2,485,556 1,242,778 621,389 1,864,168 932,084 466,042 233,021 699,064 349,532 174,766 87,383 262,150 131,075 393,226 196,613 589,840 294,920 147,460 73,730 36,865 110,596 55,298 27,649 82,948 41,474 20,737 62,212 31,106 15,553 46,660 23,330 11,665 34,996 17,498 8,749 26,248 13,124 6,562 3,281 9,844 4,922 2,461 7,384 3,692 1,846 923 2,770 1,385 4,156 2,078 1,039 3,118 1,559 4,678 2,339 7,018 3,509 10,528 5,264

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