λ
Sigma Notebook

1,850,521

1850521
Deficient Odd Prime

1,850,521 is odd and not a perfect square. Its factorization is 1850521 and its 2 divisors sum to 1,850,522.

Prime Factor Structure

Factorization String 1850521
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,850,522
Proper Divisor Sum 1
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #1850509 ← → #1850561

Radix Representation

Decimal 1850521
Binary 111000011110010011001 (21 bits)
Octal 0o7036231
Hexadecimal 0x1C3C99

Divisor Catalog (2)

Collatz Trajectory (78 steps to reach 1)

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

1,850,521 5,551,564 2,775,782 1,387,891 4,163,674 2,081,837 6,245,512 3,122,756 1,561,378 780,689 2,342,068 1,171,034 585,517 1,756,552 878,276 439,138 219,569 658,708 329,354 164,677 494,032 247,016 123,508 61,754 30,877 92,632 46,316 23,158 11,579 34,738 17,369 52,108 26,054 13,027 39,082 19,541 58,624 29,312 14,656 7,328 3,664 1,832 916 458 229 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56

More profiles

← Previous Integer #1,850,520 Browse Full Index Next Integer #1,850,522 →