λ
Prime Ledger

1,355,513

1355513
Deficient Odd Prime

1,355,513 has the prime decomposition 1355513. Its 1 distinct prime factor produce 2 positive divisors.

Prime Factor Structure

Factorization String 1355513
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,355,514
Proper Divisor Sum 1
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #1355507 ← → #1355533

Radix Representation

Decimal 1355513
Binary 101001010111011111001 (21 bits)
Octal 0o5127371
Hexadecimal 0x14AEF9

Divisor Catalog (2)

Collatz Trajectory (137 steps to reach 1)

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

1,355,513 4,066,540 2,033,270 1,016,635 3,049,906 1,524,953 4,574,860 2,287,430 1,143,715 3,431,146 1,715,573 5,146,720 2,573,360 1,286,680 643,340 321,670 160,835 482,506 241,253 723,760 361,880 180,940 90,470 45,235 135,706 67,853 203,560 101,780 50,890 25,445 76,336 38,168 19,084 9,542 4,771 14,314 7,157 21,472 10,736 5,368 2,684 1,342 671 2,014 1,007 3,022 1,511 4,534 2,267 6,802 3,401 10,204 5,102 2,551 7,654 3,827 11,482 5,741 17,224 8,612

More profiles

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