999,672
999,672 is a composite number, even.
999,672 (nine hundred ninety-nine thousand six hundred seventy-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 3 × 23 × 1,811. Its proper divisors sum to 1,609,608, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF40F8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 42
- Digit product
- 61,236
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 276,999
- Square (n²)
- 999,344,107,584
- Cube (n³)
- 999,016,322,716,712,448
- Divisor count
- 32
- σ(n) — sum of divisors
- 2,609,280
- φ(n) — Euler's totient
- 318,560
- Sum of prime factors
- 1,843
Primality
Prime factorization: 2 3 × 3 × 23 × 1811
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√999,672 = [999; (1, 5, 10, 3, 3, 3, 3, 1, 3, 1, 6, 1, 4, 2, 1, 6, 4, 3, 11, 1, 1, 2, 6, 1, …)]
Representations
- In words
- nine hundred ninety-nine thousand six hundred seventy-two
- Ordinal
- 999672nd
- Binary
- 11110100000011111000
- Octal
- 3640370
- Hexadecimal
- 0xF40F8
- Base64
- D0D4
- One's complement
- 4,293,967,623 (32-bit)
- Scientific notation
- 9.99672 × 10⁵
- As a duration
- 999,672 s = 11 days, 13 hours, 41 minutes, 12 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ϡϟθχοβʹ
- Chinese
- 九十九萬九千六百七十二
- Chinese (financial)
- 玖拾玖萬玖仟陸佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 999672, here are decompositions:
- 5 + 999667 = 999672
- 19 + 999653 = 999672
- 41 + 999631 = 999672
- 59 + 999613 = 999672
- 61 + 999611 = 999672
- 73 + 999599 = 999672
- 109 + 999563 = 999672
- 131 + 999541 = 999672
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.64.248.
- Address
- 0.15.64.248
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.64.248
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 999,672 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 999672 first appears in π at position 673,594 of the decimal expansion (the 673,594ordinal-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°.