987,013
987,013 is a prime, odd.
987,013 (nine hundred eighty-seven thousand thirteen) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF0F85.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 310,789
- Square (n²)
- 974,194,662,169
- Cube (n³)
- 961,542,796,091,411,197
- Divisor count
- 2
- σ(n) — sum of divisors
- 987,014
- φ(n) — Euler's totient
- 987,012
Primality
987,013 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√987,013 = [993; (2, 16, 2, 14, 55, 8, 38, 11, 1, 1, 2, 5, 1, 2, 1, 3, 1, 2, 1, 3, 1, 1, 25, 1, …)]
Representations
- In words
- nine hundred eighty-seven thousand thirteen
- Ordinal
- 987013th
- Binary
- 11110000111110000101
- Octal
- 3607605
- Hexadecimal
- 0xF0F85
- Base64
- Dw+F
- One's complement
- 4,293,980,282 (32-bit)
- Scientific notation
- 9.87013 × 10⁵
- As a duration
- 987,013 s = 11 days, 10 hours, 10 minutes, 13 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡπζιγʹ
- Chinese
- 九十八萬七千零一十三
- Chinese (financial)
- 玖拾捌萬柒仟零壹拾參
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.15.133.
- Address
- 0.15.15.133
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.15.133
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 987,013 and was likely granted around 1911.
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.