λ
Integer Codex

421,511

307 × 1373
Deficient Odd Composite

For 421,511, the 4 positive divisors have a total of 423,192. Removing 421,511 leaves 1,681, which gives the deficient classification.

Prime Factor Structure

Factorization String 307 × 1373
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 423,192
Proper Divisor Sum 1,681
Digit Sum / Digital Root 14 (Root: 5)
Adjacent Primes #421501 ← → #421517

Radix Representation

Decimal 421511
Binary 1100110111010000111 (19 bits)
Octal 0o1467207
Hexadecimal 0x66E87

Divisor Catalog (4)

1 307 1,373 421,511

Collatz Trajectory (104 steps to reach 1)

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

421,511 1,264,534 632,267 1,896,802 948,401 2,845,204 1,422,602 711,301 2,133,904 1,066,952 533,476 266,738 133,369 400,108 200,054 100,027 300,082 150,041 450,124 225,062 112,531 337,594 168,797 506,392 253,196 126,598 63,299 189,898 94,949 284,848 142,424 71,212 35,606 17,803 53,410 26,705 80,116 40,058 20,029 60,088 30,044 15,022 7,511 22,534 11,267 33,802 16,901 50,704 25,352 12,676 6,338 3,169 9,508 4,754 2,377 7,132 3,566 1,783 5,350 2,675

More profiles

← Previous Integer #421,510 Browse Full Index Next Integer #421,512 →