λ
Sequence Observatory

7,615,873

41 × 185753
Deficient Odd Composite

Starting at 7,615,873, the Collatz iteration reaches 1 after 142 steps. The first transition is 22847620; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 41 × 185753
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,801,668
Proper Divisor Sum 185,795
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #7615807 ← → #7615877

Radix Representation

Decimal 7615873
Binary 11101000011010110000001 (23 bits)
Octal 0o35032601
Hexadecimal 0x743581

Divisor Catalog (4)

1 41 185,753 7,615,873

Collatz Trajectory (142 steps to reach 1)

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

7,615,873 22,847,620 11,423,810 5,711,905 17,135,716 8,567,858 4,283,929 12,851,788 6,425,894 3,212,947 9,638,842 4,819,421 14,458,264 7,229,132 3,614,566 1,807,283 5,421,850 2,710,925 8,132,776 4,066,388 2,033,194 1,016,597 3,049,792 1,524,896 762,448 381,224 190,612 95,306 47,653 142,960 71,480 35,740 17,870 8,935 26,806 13,403 40,210 20,105 60,316 30,158 15,079 45,238 22,619 67,858 33,929 101,788 50,894 25,447 76,342 38,171 114,514 57,257 171,772 85,886 42,943 128,830 64,415 193,246 96,623 289,870

More profiles

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