121,016
121,016 is a composite number, even.
121,016 (one hundred twenty-one thousand sixteen) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 7 × 2,161. Its proper divisors sum to 138,424, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1D8B8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 610,121
- Square (n²)
- 14,644,872,256
- Cube (n³)
- 1,772,263,860,932,096
- Divisor count
- 16
- σ(n) — sum of divisors
- 259,440
- φ(n) — Euler's totient
- 51,840
- Sum of prime factors
- 2,174
Primality
Prime factorization: 2 3 × 7 × 2161
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,016 = [347; (1, 6, 1, 9, 1, 4, 1, 5, 3, 15, 2, 86, 2, 15, 3, 5, 1, 4, 1, 9, 1, 6, 1, 694)]
Period length 24 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-one thousand sixteen
- Ordinal
- 121016th
- Binary
- 11101100010111000
- Octal
- 354270
- Hexadecimal
- 0x1D8B8
- Base64
- Adi4
- One's complement
- 4,294,846,279 (32-bit)
- Scientific notation
- 1.21016 × 10⁵
- As a duration
- 121,016 s = 1 day, 9 hours, 36 minutes, 56 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκαιϛʹ
- Mayan (base 20)
- 𝋯·𝋢·𝋪·𝋰
- Chinese
- 一十二萬一千零一十六
- Chinese (financial)
- 壹拾貳萬壹仟零壹拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121016, here are decompositions:
- 3 + 121013 = 121016
- 19 + 120997 = 121016
- 73 + 120943 = 121016
- 79 + 120937 = 121016
- 97 + 120919 = 121016
- 109 + 120907 = 121016
- 127 + 120889 = 121016
- 139 + 120877 = 121016
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D A2 B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.216.184.
- Address
- 0.1.216.184
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.216.184
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 121,016 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.