135,021
135,021 is a composite number, odd.
135,021 (one hundred thirty-five thousand twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 3 × 45,007. Written other ways, in hexadecimal, 0x20F6D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 120,531
- Recamán's sequence
- a(36,274) = 135,021
- Square (n²)
- 18,230,670,441
- Cube (n³)
- 2,461,523,353,614,261
- Divisor count
- 4
- σ(n) — sum of divisors
- 180,032
- φ(n) — Euler's totient
- 90,012
- Sum of prime factors
- 45,010
Primality
Prime factorization: 3 × 45007
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√135,021 = [367; (2, 4, 1, 2, 2, 10, 1, 1, 5, 5, 1, 2, 1, 13, 2, 1, 1, 5, 2, 1, 1, 1, 5, 3, …)]
Representations
- In words
- one hundred thirty-five thousand twenty-one
- Ordinal
- 135021st
- Binary
- 100000111101101101
- Octal
- 407555
- Hexadecimal
- 0x20F6D
- Base64
- Ag9t
- One's complement
- 4,294,832,274 (32-bit)
- Scientific notation
- 1.35021 × 10⁵
- As a duration
- 135,021 s = 1 day, 13 hours, 30 minutes, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλεκαʹ
- Mayan (base 20)
- 𝋰·𝋱·𝋫·𝋡
- Chinese
- 一十三萬五千零二十一
- Chinese (financial)
- 壹拾參萬伍仟零貳拾壹
Also seen as
UTF-8 encoding: F0 A0 BD AD (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.15.109.
- Address
- 0.2.15.109
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.15.109
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 135,021 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.