5,358,644

2² × 1339661

Starting at 5,358,644, the Collatz iteration reaches 1 after 139 steps. The first transition is 2679322; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 1339661

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 9,377,634

Proper Divisor Sum 4,018,990

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #5358643 ← → #5358679

Radix Representation

Decimal	5358644
Binary	10100011100010000110100 (23 bits)
Octal	0o24342064
Hexadecimal	0x51C434

Divisor Catalog (6)

1 2 4 1,339,661 2,679,322 5,358,644

Collatz Trajectory (139 steps to reach 1)

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

5,358,644 2,679,322 1,339,661 4,018,984 2,009,492 1,004,746 502,373 1,507,120 753,560 376,780 188,390 94,195 282,586 141,293 423,880 211,940 105,970 52,985 158,956 79,478 39,739 119,218 59,609 178,828 89,414 44,707 134,122 67,061 201,184 100,592 50,296 25,148 12,574 6,287 18,862 9,431 28,294 14,147 42,442 21,221 63,664 31,832 15,916 7,958 3,979 11,938 5,969 17,908 8,954 4,477 13,432 6,716 3,358 1,679 5,038 2,519 7,558 3,779 11,338 5,669

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