991,013
991,013 is a composite number, odd.
991,013 (nine hundred ninety-one thousand thirteen) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 151 × 6,563. Written other ways, in hexadecimal, 0xF1F25.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 310,199
- Square (n²)
- 982,106,766,169
- Cube (n³)
- 973,280,572,661,439,197
- Divisor count
- 4
- σ(n) — sum of divisors
- 997,728
- φ(n) — Euler's totient
- 984,300
- Sum of prime factors
- 6,714
Primality
Prime factorization: 151 × 6563
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√991,013 = [995; (2, 68, 6, 2, 4, 2, 6, 1, 47, 1, 2, 3, 1, 1, 2, 2, 21, 4, 2, 21, 2, 3, 3, 2, …)]
Representations
- In words
- nine hundred ninety-one thousand thirteen
- Ordinal
- 991013th
- Binary
- 11110001111100100101
- Octal
- 3617445
- Hexadecimal
- 0xF1F25
- Base64
- Dx8l
- One's complement
- 4,293,976,282 (32-bit)
- Scientific notation
- 9.91013 × 10⁵
- As a duration
- 991,013 s = 11 days, 11 hours, 16 minutes, 53 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟαιγʹ
- Chinese
- 九十九萬一千零一十三
- Chinese (financial)
- 玖拾玖萬壹仟零壹拾參
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.31.37.
- Address
- 0.15.31.37
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.31.37
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 991,013 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 991013 first appears in π at position 506,793 of the decimal expansion (the 506,793ordinal-suffix:rd 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.