Recognised as Number
-100,421
- Negative
- Odd
- 6 digits
-100,421 is an odd 6-digit integer and the negative of 100,421. It has 4 divisors and a digital root of 8.
Number properties
ParityOddnot divisible by 2
SignNegative
Absolute value100,421
Digit count6
Digit sum8
Digit product0zero, because one of the digits is zero
Multiplicative persistence1times the digit product can be taken before one digit is left
Digital root8repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 137 × 733
Distinct prime factors2137, 733
Number of divisors4
Sum of divisors σ(n)101,292
SquarefreeYesno repeated prime factor
All divisors1, 137, 733, 100,4214 in total
Arithmetic
Representations
Decimal-100,421
Binary1100010000100010117 bits
Octal304105
Hexadecimal18845
Base 3625HH
In wordsminus one hundred thousand, four hundred and twenty-one
Ordinalminus one hundred thousand, four hundred and twenty-first
Scientific notation-1.00421 × 10^5
Engineering notation-100.421 × 10^3
In other bases
Ternary12002202022base 3; the most digit-efficient integer base after e: 11 digits
Quinary11203141base 5; one hand: 8 digits
Septenary565526base 7: 6 digits
Nonary162668base 9; each digit is two ternary digits: 6 digits
Duodecimal4a145base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 5 digits
Vigesimalcb11base 20; hands and feet, and the Mayan and Yoruba systems: 4 digits
Sexagesimal27:53:41base 60; Babylonian, and still how an hour and a circle are divided: 3 digits
Balanced ternaryT110T01T1T01digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary111000100011001111base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
11111111111111100111011110111011
Bit length17 bitsto write the magnitude
Set bits6the population count, or Hamming weight
Zero bits11within that length
Bit parityeven6 set bits, so even; not the same as the number itself being odd
Highest set bitbit 16worth 65,536
Lowest set bitbit 00 trailing zeros
Power of twoNo
Bytes301 88 45
Gray code10100110001100111n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
32-bit11111111111111100111011110111011two's complement
64-bit1111111111111111111111111111111111111111111111100111011110111011two's complement
One's complement00000000000000011000100001000100at 32 bits, every bit flipped
Bits reversed11011101111011100111111111111111at 32 bits
Rotated left by 111111111111111001110111101110111at 32 bits, wrapping
Shifted left by 1-110001000010001010= -200,842, no wrap
Shifted right by 1-1100010000100011= -50,210, discarding the low bit
These bits as a double4.96145662 × 10^-319≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Powers & multiples
-100,421 to the power 210,084,377,241
-100,421 to the power 3-1,012,683,246,918,461
-100,421 to the power 4101,694,664,338,798,772,081
-100,421 to the power 5-10,212,279,887,566,511,491,146,101
First ten multiples-100,421, -200,842, -301,263, -401,684, -502,105, -602,526, -702,947, -803,368, -903,789, -1,004,210
Powers of twoBetween 2^16 (65,536) and 2^17 (131,072)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 1
Divisible by 5No, remainder 1
Divisible by 6No, remainder 5
Divisible by 7No, remainder 6
Divisible by 8No, remainder 5
Divisible by 9No, remainder 8
Divisible by 10No, remainder 1
Divisible by 11No, remainder 2
Divisible by 12No, remainder 5
Divisible by 100No, remainder 21
As a percentage & fraction
As a percentage-10,042,100%
-100,421% as a decimal-1,004.21
-100,421% of 100-100,421
-100,421% of 1,000-1,004,210
As a fraction of 100-100,421/100
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