140,221
140,221 is a prime, odd.
140,221 (one hundred forty thousand two hundred twenty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x223BD.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 10
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 122,041
- Recamán's sequence
- a(488,385) = 140,221
- Square (n²)
- 19,661,928,841
- Cube (n³)
- 2,757,015,324,013,861
- Divisor count
- 2
- σ(n) — sum of divisors
- 140,222
- φ(n) — Euler's totient
- 140,220
Primality
140,221 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√140,221 = [374; (2, 5, 1, 9, 7, 5, 1, 8, 1, 8, 57, 2, 82, 1, 2, 1, 1, 5, 9, 1, 4, 6, 3, 4, …)]
Representations
- In words
- one hundred forty thousand two hundred twenty-one
- Ordinal
- 140221st
- Binary
- 100010001110111101
- Octal
- 421675
- Hexadecimal
- 0x223BD
- Base64
- AiO9
- One's complement
- 4,294,827,074 (32-bit)
- Scientific notation
- 1.40221 × 10⁵
- As a duration
- 140,221 s = 1 day, 14 hours, 57 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμσκαʹ
- Mayan (base 20)
- 𝋱·𝋪·𝋫·𝋡
- Chinese
- 一十四萬零二百二十一
- Chinese (financial)
- 壹拾肆萬零貳佰貳拾壹
Also seen as
UTF-8 encoding: F0 A2 8E BD (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.35.189.
- Address
- 0.2.35.189
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.35.189
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 140,221 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 140221 first appears in π at position 801,600 of the decimal expansion (the 801,600ordinal-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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.