122,020
122,020 is a composite number, even.
122,020 (one hundred twenty-two thousand twenty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 6,101. Its proper divisors sum to 134,264, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DCA4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 7
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 20,221
- Square (n²)
- 14,888,880,400
- Cube (n³)
- 1,816,741,186,408,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 256,284
- φ(n) — Euler's totient
- 48,800
- Sum of prime factors
- 6,110
Primality
Prime factorization: 2 2 × 5 × 6101
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,020 = [349; (3, 5, 3, 3, 10, 1, 1, 1, 1, 2, 4, 1, 18, 1, 1, 2, 4, 1, 1, 1, 2, 4, 1, 1, …)]
Representations
- In words
- one hundred twenty-two thousand twenty
- Ordinal
- 122020th
- Binary
- 11101110010100100
- Octal
- 356244
- Hexadecimal
- 0x1DCA4
- Base64
- Adyk
- One's complement
- 4,294,845,275 (32-bit)
- Scientific notation
- 1.2202 × 10⁵
- As a duration
- 122,020 s = 1 day, 9 hours, 53 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓎆𓎆
- Greek (Milesian)
- ͵ρκβκʹ
- Mayan (base 20)
- 𝋯·𝋥·𝋡·𝋠
- Chinese
- 一十二萬二千零二十
- Chinese (financial)
- 壹拾貳萬貳仟零貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122020, here are decompositions:
- 23 + 121997 = 122020
- 53 + 121967 = 122020
- 71 + 121949 = 122020
- 83 + 121937 = 122020
- 89 + 121931 = 122020
- 131 + 121889 = 122020
- 137 + 121883 = 122020
- 167 + 121853 = 122020
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.220.164.
- Address
- 0.1.220.164
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.220.164
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 122,020 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 122020 first appears in π at position 209,036 of the decimal expansion (the 209,036ordinal-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.