λ
Sequence Observatory

7,390,684

22 × 7 × 263953
Abundant Even Composite

Starting at 7,390,684, the Collatz iteration reaches 1 after 165 steps. The first transition is 3695342; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 7 × 263953
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 14,781,424
Proper Divisor Sum 7,390,740
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #7390673 ← → #7390693

Radix Representation

Decimal 7390684
Binary 11100001100010111011100 (23 bits)
Octal 0o34142734
Hexadecimal 0x70C5DC

Divisor Catalog (12)

1 2 4 7 14 28 263,953 527,906 1,055,812 1,847,671 3,695,342 7,390,684

Collatz Trajectory (165 steps to reach 1)

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

7,390,684 3,695,342 1,847,671 5,543,014 2,771,507 8,314,522 4,157,261 12,471,784 6,235,892 3,117,946 1,558,973 4,676,920 2,338,460 1,169,230 584,615 1,753,846 876,923 2,630,770 1,315,385 3,946,156 1,973,078 986,539 2,959,618 1,479,809 4,439,428 2,219,714 1,109,857 3,329,572 1,664,786 832,393 2,497,180 1,248,590 624,295 1,872,886 936,443 2,809,330 1,404,665 4,213,996 2,106,998 1,053,499 3,160,498 1,580,249 4,740,748 2,370,374 1,185,187 3,555,562 1,777,781 5,333,344 2,666,672 1,333,336 666,668 333,334 166,667 500,002 250,001 750,004 375,002 187,501 562,504 281,252

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