λ
Ratio Atlas
Atlas › Integer Profiles › Node 15,271,866

15,271,866

2 × 32 × 89 × 9533
Abundant Even Composite

15,271,866 factors as 2 × 3^2 × 89 × 9533. Its 24 positive divisors give a proper-divisor sum of 18,192,474, so this integer is abundant. The Collatz stopping time is 174 steps.

Prime Factor Structure

Factorization String 2 × 3^2 × 89 × 9533
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 33,464,340
Proper Divisor Sum 18,192,474
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #15271859 ← → #15271873

Radix Representation

Decimal 15271866
Binary 111010010000011110111010 (24 bits)
Octal 0o72203672
Hexadecimal 0xE907BA

Divisor Catalog (24)

1 2 3 6 9 18 89 178 267 534 801 1,602 9,533 19,066 28,599 57,198 85,797 171,594 848,437 1,696,874 2,545,311 5,090,622 7,635,933 15,271,866

Collatz Trajectory (174 steps to reach 1)

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

15,271,866 7,635,933 22,907,800 11,453,900 5,726,950 2,863,475 8,590,426 4,295,213 12,885,640 6,442,820 3,221,410 1,610,705 4,832,116 2,416,058 1,208,029 3,624,088 1,812,044 906,022 453,011 1,359,034 679,517 2,038,552 1,019,276 509,638 254,819 764,458 382,229 1,146,688 573,344 286,672 143,336 71,668 35,834 17,917 53,752 26,876 13,438 6,719 20,158 10,079 30,238 15,119 45,358 22,679 68,038 34,019 102,058 51,029 153,088 76,544 38,272 19,136 9,568 4,784 2,392 1,196 598 299 898 449

More profiles

Browse other published profiles and their separate link collections.

Profile #8,342,168 Profile #1,146,956 Profile #9,712,347 Profile #6,573,969 Profile #965,653 Profile #4,620,983 Profile #853,259 Profile #1,288,150
← Previous Integer #15,271,865 Browse Full Index Next Integer #15,271,867 →