λ
Sequence Observatory

3,635,207

3635207
Deficient Odd Prime

Starting at 3,635,207, the Collatz iteration reaches 1 after 97 steps. The first transition is 10905622; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 3635207
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 3,635,208
Proper Divisor Sum 1
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #3635201 ← → #3635209

Radix Representation

Decimal 3635207
Binary 1101110111100000000111 (22 bits)
Octal 0o15674007
Hexadecimal 0x377807

Divisor Catalog (2)

Collatz Trajectory (97 steps to reach 1)

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

3,635,207 10,905,622 5,452,811 16,358,434 8,179,217 24,537,652 12,268,826 6,134,413 18,403,240 9,201,620 4,600,810 2,300,405 6,901,216 3,450,608 1,725,304 862,652 431,326 215,663 646,990 323,495 970,486 485,243 1,455,730 727,865 2,183,596 1,091,798 545,899 1,637,698 818,849 2,456,548 1,228,274 614,137 1,842,412 921,206 460,603 1,381,810 690,905 2,072,716 1,036,358 518,179 1,554,538 777,269 2,331,808 1,165,904 582,952 291,476 145,738 72,869 218,608 109,304 54,652 27,326 13,663 40,990 20,495 61,486 30,743 92,230 46,115 138,346

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