Integer Profile
1,431,638
2 × 13 × 17 × 41 × 79
Prime factors, divisor sums, positional representations and sequence properties for 1,431,638. The prime factorization is 2 × 13 × 17 × 41 × 79.
Number of positive divisors: 32. Collatz steps to reach 1: 49.
Prime factorization
- Factorization
- 2 × 13 × 17 × 41 × 79
- Distinct prime factors
- 5
- Perfect square
- No
- Parity
- Even
Arithmetic properties
- Positive divisors
- 32
- Divisor sum
- 2,540,160
- Proper-divisor sum
- 1,108,522
- Digit sum
- 26
- Digital root
- 8
Number bases
- Decimal
- 1431638
- Binary
- 101011101100001010110 (21 bits)
- Octal
- 0o5354126
- Hexadecimal
- 0x15D856
Divisor catalog (32)
12131726344179821582214425336971,0271,0661,3431,3942,0542,6863,2396,4789,06117,45918,12234,91842,10755,06384,214110,126715,8191,431,638
Showing 32 of 32.
Collatz trajectory (49 steps)
Even: n → n/2; Odd: n → 3n + 1
1,431,638715,8192,147,4581,073,7293,221,1881,610,594805,2972,415,8921,207,946603,9731,811,920905,960452,980226,490113,245339,736169,86884,93442,467127,40263,701191,10495,55247,77623,88811,9445,9722,9861,4934,4802,2401,120560280140703510653160804020105168421
Showing 50 of 50.
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