525,013
525,013 is a prime, odd.
525,013 (five hundred twenty-five thousand thirteen) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x802D5.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 310,525
- Square (n²)
- 275,638,650,169
- Cube (n³)
- 144,713,874,641,177,197
- Divisor count
- 2
- σ(n) — sum of divisors
- 525,014
- φ(n) — Euler's totient
- 525,012
Primality
525,013 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√525,013 = [724; (1, 1, 2, 1, 2, 2, 15, 1, 6, 6, 13, 3, 1, 10, 1, 13, 1, 2, 1, 1, 1, 1, 3, 3, …)]
Representations
- In words
- five hundred twenty-five thousand thirteen
- Ordinal
- 525013th
- Binary
- 10000000001011010101
- Octal
- 2001325
- Hexadecimal
- 0x802D5
- Base64
- CALV
- One's complement
- 4,294,442,282 (32-bit)
- Scientific notation
- 5.25013 × 10⁵
- As a duration
- 525,013 s = 6 days, 1 hour, 50 minutes, 13 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵φκειγʹ
- Chinese
- 五十二萬五千零一十三
- Chinese (financial)
- 伍拾貳萬伍仟零壹拾參
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.8.2.213.
- Address
- 0.8.2.213
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.2.213
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 525,013 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 525013 first appears in π at position 207,986 of the decimal expansion (the 207,986ordinal-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
- 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.