18,371,015

5 × 13 × 137 × 2063

18,371,015 factors as 5 × 13 × 137 × 2063. Its 16 positive divisors give a proper-divisor sum of 5,554,873, so this integer is deficient. The Collatz stopping time is 120 steps.

Prime Factor Structure

Factorization String 5 × 13 × 137 × 2063

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 23,925,888

Proper Divisor Sum 5,554,873

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #18370987 ← → #18371021

Radix Representation

Decimal	18371015
Binary	1000110000101000111000111 (25 bits)
Octal	0o106050707
Hexadecimal	0x11851C7

Divisor Catalog (16)

1 5 13 65 137 685 1,781 2,063 8,905 10,315 26,819 134,095 282,631 1,413,155 3,674,203 18,371,015

Collatz Trajectory (120 steps to reach 1)

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

18,371,015 55,113,046 27,556,523 82,669,570 41,334,785 124,004,356 62,002,178 31,001,089 93,003,268 46,501,634 23,250,817 69,752,452 34,876,226 17,438,113 52,314,340 26,157,170 13,078,585 39,235,756 19,617,878 9,808,939 29,426,818 14,713,409 44,140,228 22,070,114 11,035,057 33,105,172 16,552,586 8,276,293 24,828,880 12,414,440 6,207,220 3,103,610 1,551,805 4,655,416 2,327,708 1,163,854 581,927 1,745,782 872,891 2,618,674 1,309,337 3,928,012 1,964,006 982,003 2,946,010 1,473,005 4,419,016 2,209,508 1,104,754 552,377 1,657,132 828,566 414,283 1,242,850 621,425 1,864,276 932,138 466,069 1,398,208 699,104

More profiles

Browse other published profiles and their separate link collections.

No other profiles in this collection.

← Previous Integer #18,371,014 Browse Full Index Next Integer #18,371,016 →