121,009
121,009 is a composite number, odd.
121,009 (one hundred twenty-one thousand nine) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 7 × 59 × 293. Written other ways, in hexadecimal, 0x1D8B1.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 900,121
- Square (n²)
- 14,643,178,081
- Cube (n³)
- 1,771,956,336,403,729
- Divisor count
- 8
- σ(n) — sum of divisors
- 141,120
- φ(n) — Euler's totient
- 101,616
- Sum of prime factors
- 359
Primality
Prime factorization: 7 × 59 × 293
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,009 = [347; (1, 6, 3, 12, 1, 4, 4, 2, 1, 2, 17, 46, 3, 11, 1, 6, 1, 76, 2, 3, 28, 1, 2, 2, …)]
Representations
- In words
- one hundred twenty-one thousand nine
- Ordinal
- 121009th
- Binary
- 11101100010110001
- Octal
- 354261
- Hexadecimal
- 0x1D8B1
- Base64
- Adix
- One's complement
- 4,294,846,286 (32-bit)
- Scientific notation
- 1.21009 × 10⁵
- As a duration
- 121,009 s = 1 day, 9 hours, 36 minutes, 49 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκαθʹ
- Mayan (base 20)
- 𝋯·𝋢·𝋪·𝋩
- Chinese
- 一十二萬一千零九
- Chinese (financial)
- 壹拾貳萬壹仟零玖
Also seen as
UTF-8 encoding: F0 9D A2 B1 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.216.177.
- Address
- 0.1.216.177
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.216.177
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 121,009 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.