122,150
122,150 is a composite number, even.
122,150 (one hundred twenty-two thousand one hundred fifty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2 × 5² × 7 × 349. Its proper divisors sum to 138,250, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DD26.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 51,221
- Square (n²)
- 14,920,622,500
- Cube (n³)
- 1,822,554,038,375,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 260,400
- φ(n) — Euler's totient
- 41,760
- Sum of prime factors
- 368
Primality
Prime factorization: 2 × 5 2 × 7 × 349
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,150 = [349; (2, 698)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-two thousand one hundred fifty
- Ordinal
- 122150th
- Binary
- 11101110100100110
- Octal
- 356446
- Hexadecimal
- 0x1DD26
- Base64
- Ad0m
- One's complement
- 4,294,845,145 (32-bit)
- Scientific notation
- 1.2215 × 10⁵
- As a duration
- 122,150 s = 1 day, 9 hours, 55 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκβρνʹ
- Mayan (base 20)
- 𝋯·𝋥·𝋧·𝋪
- Chinese
- 一十二萬二千一百五十
- Chinese (financial)
- 壹拾貳萬貳仟壹佰伍拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122150, here are decompositions:
- 3 + 122147 = 122150
- 19 + 122131 = 122150
- 97 + 122053 = 122150
- 109 + 122041 = 122150
- 139 + 122011 = 122150
- 157 + 121993 = 122150
- 199 + 121951 = 122150
- 229 + 121921 = 122150
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.221.38.
- Address
- 0.1.221.38
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.221.38
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 122,150 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 122150 first appears in π at position 489,883 of the decimal expansion (the 489,883ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.