λ
Sequence Observatory

3,199,970

2 × 5 × 71 × 4507
Deficient Even Composite

Starting at 3,199,970, the Collatz iteration reaches 1 after 94 steps. The first transition is 1599985; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 71 × 4507
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 5,842,368
Proper Divisor Sum 2,642,398
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #3199969 ← → #3199979

Radix Representation

Decimal 3199970
Binary 1100001101001111100010 (22 bits)
Octal 0o14151742
Hexadecimal 0x30D3E2

Divisor Catalog (16)

1 2 5 10 71 142 355 710 4,507 9,014 22,535 45,070 319,997 639,994 1,599,985 3,199,970

Collatz Trajectory (94 steps to reach 1)

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

3,199,970 1,599,985 4,799,956 2,399,978 1,199,989 3,599,968 1,799,984 899,992 449,996 224,998 112,499 337,498 168,749 506,248 253,124 126,562 63,281 189,844 94,922 47,461 142,384 71,192 35,596 17,798 8,899 26,698 13,349 40,048 20,024 10,012 5,006 2,503 7,510 3,755 11,266 5,633 16,900 8,450 4,225 12,676 6,338 3,169 9,508 4,754 2,377 7,132 3,566 1,783 5,350 2,675 8,026 4,013 12,040 6,020 3,010 1,505 4,516 2,258 1,129 3,388

More profiles

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