135,020
135,020 is a composite number, even.
135,020 (one hundred thirty-five thousand twenty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 43 × 157. Its proper divisors sum to 156,964, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20F6C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 20,531
- Recamán's sequence
- a(36,272) = 135,020
- Square (n²)
- 18,230,400,400
- Cube (n³)
- 2,461,468,662,008,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 291,984
- φ(n) — Euler's totient
- 52,416
- Sum of prime factors
- 209
Primality
Prime factorization: 2 2 × 5 × 43 × 157
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√135,020 = [367; (2, 4, 1, 1, 3, 6, 1, 182, 1, 6, 3, 1, 1, 4, 2, 734)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-five thousand twenty
- Ordinal
- 135020th
- Binary
- 100000111101101100
- Octal
- 407554
- Hexadecimal
- 0x20F6C
- Base64
- Ag9s
- One's complement
- 4,294,832,275 (32-bit)
- Scientific notation
- 1.3502 × 10⁵
- As a duration
- 135,020 s = 1 day, 13 hours, 30 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆
- Greek (Milesian)
- ͵ρλεκʹ
- Mayan (base 20)
- 𝋰·𝋱·𝋫·𝋠
- Chinese
- 一十三萬五千零二十
- Chinese (financial)
- 壹拾參萬伍仟零貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 135020, here are decompositions:
- 3 + 135017 = 135020
- 13 + 135007 = 135020
- 31 + 134989 = 135020
- 73 + 134947 = 135020
- 97 + 134923 = 135020
- 103 + 134917 = 135020
- 163 + 134857 = 135020
- 181 + 134839 = 135020
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 BD AC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.15.108.
- Address
- 0.2.15.108
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.15.108
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 135,020 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.