121,008
121,008 is a composite number, even.
121,008 (one hundred twenty-one thousand eight) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 3 × 2,521. Its proper divisors sum to 191,720, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1D8B0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 800,121
- Square (n²)
- 14,642,936,064
- Cube (n³)
- 1,771,912,407,232,512
- Divisor count
- 20
- σ(n) — sum of divisors
- 312,728
- φ(n) — Euler's totient
- 40,320
- Sum of prime factors
- 2,532
Primality
Prime factorization: 2 4 × 3 × 2521
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,008 = [347; (1, 6, 4, 43, 4, 6, 1, 694)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-one thousand eight
- Ordinal
- 121008th
- Binary
- 11101100010110000
- Octal
- 354260
- Hexadecimal
- 0x1D8B0
- Base64
- Adiw
- One's complement
- 4,294,846,287 (32-bit)
- Scientific notation
- 1.21008 × 10⁵
- As a duration
- 121,008 s = 1 day, 9 hours, 36 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκαηʹ
- Mayan (base 20)
- 𝋯·𝋢·𝋪·𝋨
- Chinese
- 一十二萬一千零八
- Chinese (financial)
- 壹拾貳萬壹仟零捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121008, here are decompositions:
- 7 + 121001 = 121008
- 11 + 120997 = 121008
- 31 + 120977 = 121008
- 61 + 120947 = 121008
- 67 + 120941 = 121008
- 71 + 120937 = 121008
- 79 + 120929 = 121008
- 89 + 120919 = 121008
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D A2 B0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.216.176.
- Address
- 0.1.216.176
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.216.176
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 121,008 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 121008 first appears in π at position 565,693 of the decimal expansion (the 565,693ordinal-suffix:rd digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.