525,001
525,001 is a prime, odd.
525,001 (five hundred twenty-five thousand one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x802C9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 100,525
- Square (n²)
- 275,626,050,001
- Cube (n³)
- 144,703,951,876,575,001
- Divisor count
- 2
- σ(n) — sum of divisors
- 525,002
- φ(n) — Euler's totient
- 525,000
Primality
525,001 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√525,001 = [724; (1, 1, 3, 10, 2, 4, 2, 1, 2, 2, 1, 1, 1, 2, 4, 12, 1, 2, 2, 4, 1, 7, 2, 2, …)]
Representations
- In words
- five hundred twenty-five thousand one
- Ordinal
- 525001st
- Binary
- 10000000001011001001
- Octal
- 2001311
- Hexadecimal
- 0x802C9
- Base64
- CALJ
- One's complement
- 4,294,442,294 (32-bit)
- Scientific notation
- 5.25001 × 10⁵
- As a duration
- 525,001 s = 6 days, 1 hour, 50 minutes, 1 second
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓏺
- Greek (Milesian)
- ͵φκεαʹ
- Chinese
- 五十二萬五千零一
- Chinese (financial)
- 伍拾貳萬伍仟零壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.8.2.201.
- Address
- 0.8.2.201
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.2.201
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 525,001 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.