λ
Sequence Observatory

2,995,787

19 × 29 × 5437
Deficient Odd Composite

Starting at 2,995,787, the Collatz iteration reaches 1 after 76 steps. The first transition is 8987362; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 19 × 29 × 5437
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,262,800
Proper Divisor Sum 267,013
Digit Sum / Digital Root 47 (Root: 2)
Adjacent Primes #2995781 ← → #2995789

Radix Representation

Decimal 2995787
Binary 1011011011011001001011 (22 bits)
Octal 0o13333113
Hexadecimal 0x2DB64B

Divisor Catalog (8)

1 19 29 551 5,437 103,303 157,673 2,995,787

Collatz Trajectory (76 steps to reach 1)

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

2,995,787 8,987,362 4,493,681 13,481,044 6,740,522 3,370,261 10,110,784 5,055,392 2,527,696 1,263,848 631,924 315,962 157,981 473,944 236,972 118,486 59,243 177,730 88,865 266,596 133,298 66,649 199,948 99,974 49,987 149,962 74,981 224,944 112,472 56,236 28,118 14,059 42,178 21,089 63,268 31,634 15,817 47,452 23,726 11,863 35,590 17,795 53,386 26,693 80,080 40,040 20,020 10,010 5,005 15,016 7,508 3,754 1,877 5,632 2,816 1,408 704 352 176 88

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