Integer Profile
1,621,916
2^2 × 19 × 21341
Prime factors, divisor sums, positional representations and sequence properties for 1,621,916. The prime factorization is 2^2 × 19 × 21341.
Number of positive divisors: 12. Showing the recorded part of the sequence: 207.
Arithmetic properties
- Positive divisors
- 12
- Divisor sum
- 2,987,880
- Proper-divisor sum
- 1,365,964
- Digit sum
- 26
- Digital root
- 8
Number bases
- Decimal
- 1621916
- Binary
- 110001011111110011100 (21 bits)
- Octal
- 0o6137634
- Hexadecimal
- 0x18BF9C
Divisor catalog (12)
12419387621,34142,68285,364405,479810,9581,621,916
Showing 12 of 12.
Collatz trajectory (207 steps)
Even: n → n/2; Odd: n → 3n + 1
1,621,916810,958405,4791,216,438608,2191,824,658912,3292,736,9881,368,494684,2472,052,7421,026,3713,079,1141,539,5574,618,6722,309,3361,154,668577,334288,667866,002433,0011,299,004649,502324,751974,254487,1271,461,382730,6912,192,0741,096,0373,288,1121,644,056822,028411,014205,507616,522308,261924,784462,392231,196115,59857,799173,39886,699260,098130,049390,148195,07497,537292,612146,30673,153219,460109,73054,865164,59682,29841,149123,44861,724
Showing 60 of 60.
Prime factorization
- Factorization
- 2^2 × 19 × 21341
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Even
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