7,847,474

2 × 3923737

Starting at 7,847,474, the Collatz iteration reaches 1 after 155 steps. The first transition is 3923737; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 3923737

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 11,771,214

Proper Divisor Sum 3,923,740

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #7847473 ← → #7847479

Radix Representation

Decimal	7847474
Binary	11101111011111000110010 (23 bits)
Octal	0o35737062
Hexadecimal	0x77BE32

Divisor Catalog (4)

1 2 3,923,737 7,847,474

Collatz Trajectory (155 steps to reach 1)

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

7,847,474 3,923,737 11,771,212 5,885,606 2,942,803 8,828,410 4,414,205 13,242,616 6,621,308 3,310,654 1,655,327 4,965,982 2,482,991 7,448,974 3,724,487 11,173,462 5,586,731 16,760,194 8,380,097 25,140,292 12,570,146 6,285,073 18,855,220 9,427,610 4,713,805 14,141,416 7,070,708 3,535,354 1,767,677 5,303,032 2,651,516 1,325,758 662,879 1,988,638 994,319 2,982,958 1,491,479 4,474,438 2,237,219 6,711,658 3,355,829 10,067,488 5,033,744 2,516,872 1,258,436 629,218 314,609 943,828 471,914 235,957 707,872 353,936 176,968 88,484 44,242 22,121 66,364 33,182 16,591 49,774

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