140,521
140,521 is a prime, odd.
140,521 (one hundred forty thousand five 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, 0x224E9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 125,041
- Recamán's sequence
- a(487,785) = 140,521
- Square (n²)
- 19,746,151,441
- Cube (n³)
- 2,774,748,946,640,761
- Divisor count
- 2
- σ(n) — sum of divisors
- 140,522
- φ(n) — Euler's totient
- 140,520
Primality
140,521 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√140,521 = [374; (1, 6, 4, 1, 3, 8, 2, 1, 4, 1, 1, 8, 1, 4, 1, 1, 1, 12, 1, 1, 38, 1, 15, 1, …)]
Representations
- In words
- one hundred forty thousand five hundred twenty-one
- Ordinal
- 140521st
- Binary
- 100010010011101001
- Octal
- 422351
- Hexadecimal
- 0x224E9
- Base64
- AiTp
- One's complement
- 4,294,826,774 (32-bit)
- Scientific notation
- 1.40521 × 10⁵
- As a duration
- 140,521 s = 1 day, 15 hours, 2 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμφκαʹ
- Mayan (base 20)
- 𝋱·𝋫·𝋦·𝋡
- Chinese
- 一十四萬零五百二十一
- Chinese (financial)
- 壹拾肆萬零伍佰貳拾壹
Also seen as
UTF-8 encoding: F0 A2 93 A9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.36.233.
- Address
- 0.2.36.233
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.36.233
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 140,521 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
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.