λ
Sequence Observatory

6,371,495

5 × 13 × 83 × 1181
Deficient Odd Composite

Starting at 6,371,495, the Collatz iteration reaches 1 after 147 steps. The first transition is 19114486; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 5 × 13 × 83 × 1181
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 8,340,192
Proper Divisor Sum 1,968,697
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #6371401 ← → #6371537

Radix Representation

Decimal 6371495
Binary 11000010011100010100111 (23 bits)
Octal 0o30234247
Hexadecimal 0x6138A7

Divisor Catalog (16)

1 5 13 65 83 415 1,079 1,181 5,395 5,905 15,353 76,765 98,023 490,115 1,274,299 6,371,495

Collatz Trajectory (147 steps to reach 1)

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

6,371,495 19,114,486 9,557,243 28,671,730 14,335,865 43,007,596 21,503,798 10,751,899 32,255,698 16,127,849 48,383,548 24,191,774 12,095,887 36,287,662 18,143,831 54,431,494 27,215,747 81,647,242 40,823,621 122,470,864 61,235,432 30,617,716 15,308,858 7,654,429 22,963,288 11,481,644 5,740,822 2,870,411 8,611,234 4,305,617 12,916,852 6,458,426 3,229,213 9,687,640 4,843,820 2,421,910 1,210,955 3,632,866 1,816,433 5,449,300 2,724,650 1,362,325 4,086,976 2,043,488 1,021,744 510,872 255,436 127,718 63,859 191,578 95,789 287,368 143,684 71,842 35,921 107,764 53,882 26,941 80,824 40,412

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