101,009
101,009 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 900,101
- Flips to (rotate 180°)
- 600,101
- Square (n²)
- 10,202,818,081
- Cube (n³)
- 1,030,576,451,543,729
- Divisor count
- 2
- σ(n) — sum of divisors
- 101,010
- φ(n) — Euler's totient
- 101,008
Primality
101,009 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√101,009 = [317; (1, 4, 1, 1, 8, 6, 5, 1, 2, 79, 9, 1, 3, 3, 1, 1, 4, 1, 1, 12, 1, 38, 1, 4, …)]
Representations
- In words
- one hundred one thousand nine
- Ordinal
- 101009th
- Binary
- 11000101010010001
- Octal
- 305221
- Hexadecimal
- 0x18A91
- Base64
- AYqR
- One's complement
- 4,294,866,286 (32-bit)
- Scientific notation
- 1.01009 × 10⁵
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ραθʹ
- Mayan (base 20)
- 𝋬·𝋬·𝋪·𝋩
- Chinese
- 一十萬一千零九
- Chinese (financial)
- 壹拾萬壹仟零玖
Also seen as
UTF-8 encoding: F0 98 AA 91 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.138.145.
- Address
- 0.1.138.145
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.138.145
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 101,009 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 101009 first appears in π at position 470,790 of the decimal expansion (the 470,790ordinal-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.