133,521
133,521 is a composite number, odd.
133,521 (one hundred thirty-three thousand five hundred twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 3 × 44,507. Written other ways, in hexadecimal, 0x20991.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 90
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 125,331
- Square (n²)
- 17,827,857,441
- Cube (n³)
- 2,380,393,353,379,761
- Divisor count
- 4
- σ(n) — sum of divisors
- 178,032
- φ(n) — Euler's totient
- 89,012
- Sum of prime factors
- 44,510
Primality
Prime factorization: 3 × 44507
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√133,521 = [365; (2, 2, 7, 4, 1, 2, 2, 1, 1, 2, 3, 1, 2, 1, 7, 2, 10, 8, 4, 1, 3, 1, 1, 3, …)]
Representations
- In words
- one hundred thirty-three thousand five hundred twenty-one
- Ordinal
- 133521st
- Binary
- 100000100110010001
- Octal
- 404621
- Hexadecimal
- 0x20991
- Base64
- AgmR
- One's complement
- 4,294,833,774 (32-bit)
- Scientific notation
- 1.33521 × 10⁵
- As a duration
- 133,521 s = 1 day, 13 hours, 5 minutes, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλγφκαʹ
- Mayan (base 20)
- 𝋰·𝋭·𝋰·𝋡
- Chinese
- 一十三萬三千五百二十一
- Chinese (financial)
- 壹拾參萬參仟伍佰貳拾壹
Also seen as
UTF-8 encoding: F0 A0 A6 91 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.9.145.
- Address
- 0.2.9.145
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.9.145
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 133,521 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°.