Recognised as Number
-449
- Negative
- Odd
- 3 digits
-449 is an odd 3-digit integer and the negative of 449. It has 2 divisors and a digital root of 8.
Number properties
ParityOddnot divisible by 2
SignNegative
Absolute value449
Digit count3
Digit sum17
Digit product144
Multiplicative persistence3times the digit product can be taken before one digit is left
Digital root8repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 449
Distinct prime factors1449
Number of divisors2
Sum of divisors σ(n)450
SquarefreeYesno repeated prime factor
All divisors1, 4492 in total
Arithmetic
Representations
Decimal-449
Binary1110000019 bits
Octal701
Hexadecimal1C1
Base 36CH
In wordsminus four hundred and forty-nine
Ordinalminus four hundred and forty-ninth
Scientific notation-4.49 × 10^2
Engineering notation-449
In other bases
Ternary121122base 3; the most digit-efficient integer base after e: 6 digits
Quinary3244base 5; one hand: 4 digits
Septenary1211base 7: 4 digits
Nonary548base 9; each digit is two ternary digits: 3 digits
Duodecimal315base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 3 digits
Vigesimal129base 20; hands and feet, and the Mayan and Yoruba systems: 3 digits
Sexagesimal7:29base 60; Babylonian, and still how an hour and a circle are divided: 2 digits
Balanced ternaryT101101digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary1001000011base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
1111111000111111
Bit length9 bitsto write the magnitude
Set bits4the population count, or Hamming weight
Zero bits5within that length
Bit parityeven4 set bits, so even; not the same as the number itself being odd
Highest set bitbit 8worth 256
Lowest set bitbit 00 trailing zeros
Power of twoNo
Bytes201 c1
Gray code100100001n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
16-bit1111111000111111two's complement
32-bit11111111111111111111111000111111two's complement
64-bit1111111111111111111111111111111111111111111111111111111000111111two's complement
One's complement0000000111000000at 16 bits, every bit flipped
Bits reversed1111110001111111at 16 bits
Rotated left by 11111110001111111at 16 bits, wrapping
Shifted left by 1-1110000010= -898, no wrap
Shifted right by 1-11100001= -224, discarding the low bit
These bits as a double2.21835475 × 10^-321≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Powers & multiples
-449 to the power 2201,601
-449 to the power 3-90,518,849
-449 to the power 440,642,963,201
-449 to the power 5-18,248,690,477,249
First ten multiples-449, -898, -1,347, -1,796, -2,245, -2,694, -3,143, -3,592, -4,041, -4,490
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 1
Divisible by 5No, remainder 4
Divisible by 6No, remainder 5
Divisible by 7No, remainder 1
Divisible by 8No, remainder 1
Divisible by 9No, remainder 8
Divisible by 10No, remainder 9
Divisible by 11No, remainder 9
Divisible by 12No, remainder 5
Divisible by 100No, remainder 49
As a percentage & fraction
As a percentage-44,900%
-449% as a decimal-4.49
-449% of 100-449
-449% of 1,000-4,490
As a fraction of 100-449/100
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