123,020
123,020 is a composite number, even.
123,020 (one hundred twenty-three thousand twenty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 6,151. Its proper divisors sum to 135,364, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E08C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 8
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 20,321
- Square (n²)
- 15,133,920,400
- Cube (n³)
- 1,861,774,887,608,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 258,384
- φ(n) — Euler's totient
- 49,200
- Sum of prime factors
- 6,160
Primality
Prime factorization: 2 2 × 5 × 6151
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√123,020 = [350; (1, 2, 1, 7, 7, 1, 1, 2, 1, 1, 1, 3, 1, 2, 1, 1, 1, 3, 5, 1, 1, 1, 1, 1, …)]
Representations
- In words
- one hundred twenty-three thousand twenty
- Ordinal
- 123020th
- Binary
- 11110000010001100
- Octal
- 360214
- Hexadecimal
- 0x1E08C
- Base64
- AeCM
- One's complement
- 4,294,844,275 (32-bit)
- Scientific notation
- 1.2302 × 10⁵
- As a duration
- 123,020 s = 1 day, 10 hours, 10 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓎆𓎆
- Greek (Milesian)
- ͵ρκγκʹ
- Mayan (base 20)
- 𝋯·𝋧·𝋫·𝋠
- Chinese
- 一十二萬三千零二十
- Chinese (financial)
- 壹拾貳萬參仟零貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 123020, here are decompositions:
- 3 + 123017 = 123020
- 13 + 123007 = 123020
- 19 + 123001 = 123020
- 67 + 122953 = 123020
- 151 + 122869 = 123020
- 181 + 122839 = 123020
- 193 + 122827 = 123020
- 277 + 122743 = 123020
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.224.140.
- Address
- 0.1.224.140
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.224.140
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 123,020 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 123020 first appears in π at position 377,346 of the decimal expansion (the 377,346ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.