λ
Sequence Observatory

3,751,913

11 × 341083
Deficient Odd Composite

Starting at 3,751,913, the Collatz iteration reaches 1 after 159 steps. The first transition is 11255740; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 11 × 341083
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,093,008
Proper Divisor Sum 341,095
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #3751907 ← → #3751919

Radix Representation

Decimal 3751913
Binary 1110010011111111101001 (22 bits)
Octal 0o16237751
Hexadecimal 0x393FE9

Divisor Catalog (4)

1 11 341,083 3,751,913

Collatz Trajectory (159 steps to reach 1)

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

3,751,913 11,255,740 5,627,870 2,813,935 8,441,806 4,220,903 12,662,710 6,331,355 18,994,066 9,497,033 28,491,100 14,245,550 7,122,775 21,368,326 10,684,163 32,052,490 16,026,245 48,078,736 24,039,368 12,019,684 6,009,842 3,004,921 9,014,764 4,507,382 2,253,691 6,761,074 3,380,537 10,141,612 5,070,806 2,535,403 7,606,210 3,803,105 11,409,316 5,704,658 2,852,329 8,556,988 4,278,494 2,139,247 6,417,742 3,208,871 9,626,614 4,813,307 14,439,922 7,219,961 21,659,884 10,829,942 5,414,971 16,244,914 8,122,457 24,367,372 12,183,686 6,091,843 18,275,530 9,137,765 27,413,296 13,706,648 6,853,324 3,426,662 1,713,331 5,139,994

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