λ
Sequence Observatory

7,607,426

2 × 647 × 5879
Deficient Even Composite

Starting at 7,607,426, the Collatz iteration reaches 1 after 142 steps. The first transition is 3803713; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 647 × 5879
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 11,430,720
Proper Divisor Sum 3,823,294
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #7607423 ← → #7607441

Radix Representation

Decimal 7607426
Binary 11101000001010010000010 (23 bits)
Octal 0o35012202
Hexadecimal 0x741482

Divisor Catalog (8)

1 2 647 1,294 5,879 11,758 3,803,713 7,607,426

Collatz Trajectory (142 steps to reach 1)

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

7,607,426 3,803,713 11,411,140 5,705,570 2,852,785 8,558,356 4,279,178 2,139,589 6,418,768 3,209,384 1,604,692 802,346 401,173 1,203,520 601,760 300,880 150,440 75,220 37,610 18,805 56,416 28,208 14,104 7,052 3,526 1,763 5,290 2,645 7,936 3,968 1,984 992 496 248 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233

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