λ
Sequence Observatory

3,695,518

2 × 523 × 3533
Deficient Even Composite

Starting at 3,695,518, the Collatz iteration reaches 1 after 97 steps. The first transition is 1847759; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 523 × 3533
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,555,448
Proper Divisor Sum 1,859,930
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #3695513 ← → #3695521

Radix Representation

Decimal 3695518
Binary 1110000110001110011110 (22 bits)
Octal 0o16061636
Hexadecimal 0x38639E

Divisor Catalog (8)

1 2 523 1,046 3,533 7,066 1,847,759 3,695,518

Collatz Trajectory (97 steps to reach 1)

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

3,695,518 1,847,759 5,543,278 2,771,639 8,314,918 4,157,459 12,472,378 6,236,189 18,708,568 9,354,284 4,677,142 2,338,571 7,015,714 3,507,857 10,523,572 5,261,786 2,630,893 7,892,680 3,946,340 1,973,170 986,585 2,959,756 1,479,878 739,939 2,219,818 1,109,909 3,329,728 1,664,864 832,432 416,216 208,108 104,054 52,027 156,082 78,041 234,124 117,062 58,531 175,594 87,797 263,392 131,696 65,848 32,924 16,462 8,231 24,694 12,347 37,042 18,521 55,564 27,782 13,891 41,674 20,837 62,512 31,256 15,628 7,814 3,907

More profiles

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