1,002,980
1,002,980 is a composite number, even.
1,002,980 (one million two thousand nine hundred eighty) is an even 7-digit number. It is a composite number with 48 divisors, and factors as 2² × 5 × 11 × 47 × 97. Its proper divisors sum to 1,367,836, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF4DE4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 7
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 892,001
- Square (n²)
- 1,005,968,880,400
- Cube (n³)
- 1,008,966,667,663,592,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 2,370,816
- φ(n) — Euler's totient
- 353,280
- Sum of prime factors
- 164
Primality
Prime factorization: 2 2 × 5 × 11 × 47 × 97
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,002,980 = [1001; (2, 22, 182, 22, 2, 2002)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- one million two thousand nine hundred eighty
- Ordinal
- 1002980th
- Binary
- 11110100110111100100
- Octal
- 3646744
- Hexadecimal
- 0xF4DE4
- Base64
- D03k
- One's complement
- 4,293,964,315 (32-bit)
- Scientific notation
- 1.00298 × 10⁶
- As a duration
- 1,002,980 s = 11 days, 14 hours, 36 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓁨𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Chinese
- 一百萬二千九百八十
- Chinese (financial)
- 壹佰萬貳仟玖佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1002980, here are decompositions:
- 7 + 1002973 = 1002980
- 67 + 1002913 = 1002980
- 109 + 1002871 = 1002980
- 127 + 1002853 = 1002980
- 163 + 1002817 = 1002980
- 193 + 1002787 = 1002980
- 211 + 1002769 = 1002980
- 229 + 1002751 = 1002980
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.77.228.
- Address
- 0.15.77.228
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.77.228
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 1,002,980 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.