λ
Ratio Atlas

13,351,421

31 × 430691
Deficient Odd Composite

13,351,421 factors as 31 × 430691. Its 4 positive divisors give a proper-divisor sum of 430,723, so this integer is deficient. The Collatz stopping time is 166 steps.

Prime Factor Structure

Factorization String 31 × 430691
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 13,782,144
Proper Divisor Sum 430,723
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #13351399 ← → #13351439

Radix Representation

Decimal 13351421
Binary 110010111011100111111101 (24 bits)
Octal 0o62734775
Hexadecimal 0xCBB9FD

Divisor Catalog (4)

Collatz Trajectory (166 steps to reach 1)

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

13,351,421 40,054,264 20,027,132 10,013,566 5,006,783 15,020,350 7,510,175 22,530,526 11,265,263 33,795,790 16,897,895 50,693,686 25,346,843 76,040,530 38,020,265 114,060,796 57,030,398 28,515,199 85,545,598 42,772,799 128,318,398 64,159,199 192,477,598 96,238,799 288,716,398 144,358,199 433,074,598 216,537,299 649,611,898 324,805,949 974,417,848 487,208,924 243,604,462 121,802,231 365,406,694 182,703,347 548,110,042 274,055,021 822,165,064 411,082,532 205,541,266 102,770,633 308,311,900 154,155,950 77,077,975 231,233,926 115,616,963 346,850,890 173,425,445 520,276,336 260,138,168 130,069,084 65,034,542 32,517,271 97,551,814 48,775,907 146,327,722 73,163,861 219,491,584 109,745,792

More profiles

Browse other published profiles and their separate link collections.

← Previous Integer #13,351,420 Browse Full Index Next Integer #13,351,422 →