999,552
999,552 is a composite number, even.
999,552 (nine hundred ninety-nine thousand five hundred fifty-two) is an even 6-digit number. It is a composite number with 64 divisors, and factors as 2⁷ × 3 × 19 × 137. Its proper divisors sum to 1,815,648, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF4080.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 39
- Digit product
- 36,450
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 255,999
- Square (n²)
- 999,104,200,704
- Cube (n³)
- 998,656,602,022,084,608
- Divisor count
- 64
- σ(n) — sum of divisors
- 2,815,200
- φ(n) — Euler's totient
- 313,344
- Sum of prime factors
- 173
Primality
Prime factorization: 2 7 × 3 × 19 × 137
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√999,552 = [999; (1, 3, 2, 6, 2, 2, 11, 1, 1, 3, 4, 1, 14, 1, 4, 3, 1, 1, 11, 2, 2, 6, 2, 3, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety-nine thousand five hundred fifty-two
- Ordinal
- 999552nd
- Binary
- 11110100000010000000
- Octal
- 3640200
- Hexadecimal
- 0xF4080
- Base64
- D0CA
- One's complement
- 4,293,967,743 (32-bit)
- Scientific notation
- 9.99552 × 10⁵
- As a duration
- 999,552 s = 11 days, 13 hours, 39 minutes, 12 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ϡϟθφνβʹ
- Chinese
- 九十九萬九千五百五十二
- Chinese (financial)
- 玖拾玖萬玖仟伍佰伍拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 999552, here are decompositions:
- 11 + 999541 = 999552
- 23 + 999529 = 999552
- 31 + 999521 = 999552
- 53 + 999499 = 999552
- 61 + 999491 = 999552
- 101 + 999451 = 999552
- 163 + 999389 = 999552
- 181 + 999371 = 999552
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.64.128.
- Address
- 0.15.64.128
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.64.128
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 999,552 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 999552 first appears in π at position 852,614 of the decimal expansion (the 852,614ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.