λ
Sequence Observatory

3,976,199

3976199
Deficient Odd Prime

Starting at 3,976,199, the Collatz iteration reaches 1 after 247 steps. The first transition is 11928598; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 3976199
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 3,976,200
Proper Divisor Sum 1
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #3976183 ← → #3976207

Radix Representation

Decimal 3976199
Binary 1111001010110000000111 (22 bits)
Octal 0o17126007
Hexadecimal 0x3CAC07

Divisor Catalog (2)

1 3,976,199

Collatz Trajectory (247 steps to reach 1)

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

3,976,199 11,928,598 5,964,299 17,892,898 8,946,449 26,839,348 13,419,674 6,709,837 20,129,512 10,064,756 5,032,378 2,516,189 7,548,568 3,774,284 1,887,142 943,571 2,830,714 1,415,357 4,246,072 2,123,036 1,061,518 530,759 1,592,278 796,139 2,388,418 1,194,209 3,582,628 1,791,314 895,657 2,686,972 1,343,486 671,743 2,015,230 1,007,615 3,022,846 1,511,423 4,534,270 2,267,135 6,801,406 3,400,703 10,202,110 5,101,055 15,303,166 7,651,583 22,954,750 11,477,375 34,432,126 17,216,063 51,648,190 25,824,095 77,472,286 38,736,143 116,208,430 58,104,215 174,312,646 87,156,323 261,468,970 130,734,485 392,203,456 196,101,728

More profiles

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