1,004,981
1,004,981 is a prime, odd.
1,004,981 (one million four thousand nine hundred eighty-one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF55B5.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 7
- Digit sum
- 23
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 1,894,001
- Square (n²)
- 1,009,986,810,361
- Cube (n³)
- 1,015,017,554,663,408,141
- Divisor count
- 2
- σ(n) — sum of divisors
- 1,004,982
- φ(n) — Euler's totient
- 1,004,980
Primality
1,004,981 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,004,981 = [1002; (2, 19, 2, 1, 5, 2, 79, 1, 2, 1, 5, 4, 1, 153, 2, 2, 1, 2, 2, 3, 1, 9, 1, 8, …)]
Representations
- In words
- one million four thousand nine hundred eighty-one
- Ordinal
- 1004981st
- Binary
- 11110101010110110101
- Octal
- 3652665
- Hexadecimal
- 0xF55B5
- Base64
- D1W1
- One's complement
- 4,293,962,314 (32-bit)
- Scientific notation
- 1.004981 × 10⁶
- As a duration
- 1,004,981 s = 11 days, 15 hours, 9 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓁨𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Chinese
- 一百萬四千九百八十一
- Chinese (financial)
- 壹佰萬肆仟玖佰捌拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.85.181.
- Address
- 0.15.85.181
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.85.181
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 1,004,981 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 1004981 first appears in π at position 382,558 of the decimal expansion (the 382,558ordinal-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.