λ
Sequence Observatory

1,927,399

1927399
Deficient Odd Prime

Starting at 1,927,399, the Collatz iteration reaches 1 after 96 steps. The first transition is 5782198; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1927399
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,927,400
Proper Divisor Sum 1
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #1927397 ← → #1927411

Radix Representation

Decimal 1927399
Binary 111010110100011100111 (21 bits)
Octal 0o7264347
Hexadecimal 0x1D68E7

Divisor Catalog (2)

Collatz Trajectory (96 steps to reach 1)

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

1,927,399 5,782,198 2,891,099 8,673,298 4,336,649 13,009,948 6,504,974 3,252,487 9,757,462 4,878,731 14,636,194 7,318,097 21,954,292 10,977,146 5,488,573 16,465,720 8,232,860 4,116,430 2,058,215 6,174,646 3,087,323 9,261,970 4,630,985 13,892,956 6,946,478 3,473,239 10,419,718 5,209,859 15,629,578 7,814,789 23,444,368 11,722,184 5,861,092 2,930,546 1,465,273 4,395,820 2,197,910 1,098,955 3,296,866 1,648,433 4,945,300 2,472,650 1,236,325 3,708,976 1,854,488 927,244 463,622 231,811 695,434 347,717 1,043,152 521,576 260,788 130,394 65,197 195,592 97,796 48,898 24,449 73,348

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