159,421
159,421 is a prime, odd.
159,421 (one hundred fifty-nine thousand four 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, 0x26EBD.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 360
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 124,951
- Square (n²)
- 25,415,055,241
- Cube (n³)
- 4,051,693,521,575,461
- Divisor count
- 2
- σ(n) — sum of divisors
- 159,422
- φ(n) — Euler's totient
- 159,420
Primality
159,421 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√159,421 = [399; (3, 1, 1, 1, 2, 4, 17, 1, 1, 14, 199, 1, 1, 3, 7, 1, 3, 1, 1, 3, 1, 7, 3, 1, …)]
Period length 37 — the block in parentheses repeats forever.
Representations
- In words
- one hundred fifty-nine thousand four hundred twenty-one
- Ordinal
- 159421st
- Binary
- 100110111010111101
- Octal
- 467275
- Hexadecimal
- 0x26EBD
- Base64
- Am69
- One's complement
- 4,294,807,874 (32-bit)
- Scientific notation
- 1.59421 × 10⁵
- As a duration
- 159,421 s = 1 day, 20 hours, 17 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρνθυκαʹ
- Mayan (base 20)
- 𝋳·𝋲·𝋫·𝋡
- Chinese
- 一十五萬九千四百二十一
- Chinese (financial)
- 壹拾伍萬玖仟肆佰貳拾壹
Also seen as
UTF-8 encoding: F0 A6 BA BD (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.110.189.
- Address
- 0.2.110.189
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.110.189
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 159,421 and was likely granted around 1873.
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.