100,213
100,213 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 7
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 312,001
- Square (n²)
- 10,042,645,369
- Cube (n³)
- 1,006,403,620,363,597
- Divisor count
- 2
- σ(n) — sum of divisors
- 100,214
- φ(n) — Euler's totient
- 100,212
Primality
100,213 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one hundred thousand two hundred thirteen
- Ordinal
- 100213th
- Binary
- 11000011101110101
- Octal
- 303565
- Hexadecimal
- 0x18775
- Base64
- AYd1
- One's complement
- 4,294,867,082 (32-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓍢𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρσιγʹ
- Mayan (base 20)
- 𝋬·𝋪·𝋪·𝋭
- Chinese
- 一十萬零二百一十三
- Chinese (financial)
- 壹拾萬零貳佰壹拾參
Also seen as
UTF-8 encoding: F0 98 9D B5 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.135.117.
- Address
- 0.1.135.117
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.135.117
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 100,213 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 100213 first appears in π at position 206,956 of the decimal expansion (the 206,956ordinal-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.