122,242
122,242 is a composite number, even.
122,242 (one hundred twenty-two thousand two hundred forty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 61,121. Written other ways, in hexadecimal, 0x1DD82.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 64
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 242,221
- Square (n²)
- 14,943,106,564
- Cube (n³)
- 1,826,675,232,596,488
- Divisor count
- 4
- σ(n) — sum of divisors
- 183,366
- φ(n) — Euler's totient
- 61,120
- Sum of prime factors
- 61,123
Primality
Prime factorization: 2 × 61121
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,242 = [349; (1, 1, 1, 2, 2, 7, 1, 1, 1, 1, 1, 1, 4, 1, 14, 17, 1, 6, 3, 1, 3, 1, 1, 1, …)]
Representations
- In words
- one hundred twenty-two thousand two hundred forty-two
- Ordinal
- 122242nd
- Binary
- 11101110110000010
- Octal
- 356602
- Hexadecimal
- 0x1DD82
- Base64
- Ad2C
- One's complement
- 4,294,845,053 (32-bit)
- Scientific notation
- 1.22242 × 10⁵
- As a duration
- 122,242 s = 1 day, 9 hours, 57 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκβσμβʹ
- Mayan (base 20)
- 𝋯·𝋥·𝋬·𝋢
- Chinese
- 一十二萬二千二百四十二
- Chinese (financial)
- 壹拾貳萬貳仟貳佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122242, here are decompositions:
- 11 + 122231 = 122242
- 23 + 122219 = 122242
- 41 + 122201 = 122242
- 173 + 122069 = 122242
- 191 + 122051 = 122242
- 293 + 121949 = 122242
- 311 + 121931 = 122242
- 353 + 121889 = 122242
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.221.130.
- Address
- 0.1.221.130
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.221.130
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 122,242 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 122242 first appears in π at position 344,564 of the decimal expansion (the 344,564ordinal-suffix:th 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.