λ
Sequence Observatory

7,202,831

277 × 26003
Deficient Odd Composite

Starting at 7,202,831, the Collatz iteration reaches 1 after 90 steps. The first transition is 21608494; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 277 × 26003
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,229,112
Proper Divisor Sum 26,281
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #7202813 ← → #7202857

Radix Representation

Decimal 7202831
Binary 11011011110100000001111 (23 bits)
Octal 0o33364017
Hexadecimal 0x6DE80F

Divisor Catalog (4)

1 277 26,003 7,202,831

Collatz Trajectory (90 steps to reach 1)

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

7,202,831 21,608,494 10,804,247 32,412,742 16,206,371 48,619,114 24,309,557 72,928,672 36,464,336 18,232,168 9,116,084 4,558,042 2,279,021 6,837,064 3,418,532 1,709,266 854,633 2,563,900 1,281,950 640,975 1,922,926 961,463 2,884,390 1,442,195 4,326,586 2,163,293 6,489,880 3,244,940 1,622,470 811,235 2,433,706 1,216,853 3,650,560 1,825,280 912,640 456,320 228,160 114,080 57,040 28,520 14,260 7,130 3,565 10,696 5,348 2,674 1,337 4,012 2,006 1,003 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542 1,271

More profiles

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