λ
Sequence Observatory

2,390,127

3 × 796709
Deficient Odd Composite

Starting at 2,390,127, the Collatz iteration reaches 1 after 267 steps. The first transition is 7170382; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 796709
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,186,840
Proper Divisor Sum 796,713
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #2390123 ← → #2390147

Radix Representation

Decimal 2390127
Binary 1001000111100001101111 (22 bits)
Octal 0o11074157
Hexadecimal 0x24786F

Divisor Catalog (4)

1 3 796,709 2,390,127

Collatz Trajectory (267 steps to reach 1)

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

2,390,127 7,170,382 3,585,191 10,755,574 5,377,787 16,133,362 8,066,681 24,200,044 12,100,022 6,050,011 18,150,034 9,075,017 27,225,052 13,612,526 6,806,263 20,418,790 10,209,395 30,628,186 15,314,093 45,942,280 22,971,140 11,485,570 5,742,785 17,228,356 8,614,178 4,307,089 12,921,268 6,460,634 3,230,317 9,690,952 4,845,476 2,422,738 1,211,369 3,634,108 1,817,054 908,527 2,725,582 1,362,791 4,088,374 2,044,187 6,132,562 3,066,281 9,198,844 4,599,422 2,299,711 6,899,134 3,449,567 10,348,702 5,174,351 15,523,054 7,761,527 23,284,582 11,642,291 34,926,874 17,463,437 52,390,312 26,195,156 13,097,578 6,548,789 19,646,368

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