41,221
41,221 is a prime, odd.
41,221 (forty-one thousand two hundred twenty-one) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xA105.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 10
- Digit product
- 16
- Digital root
- 1
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 12,214
- Recamán's sequence
- a(303,950) = 41,221
- Square (n²)
- 1,699,170,841
- Cube (n³)
- 70,041,521,236,861
- Divisor count
- 2
- σ(n) — sum of divisors
- 41,222
- φ(n) — Euler's totient
- 41,220
Primality
41,221 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√41,221 = [203; (33, 1, 5, 11, 8, 1, 14, 6, 1, 2, 2, 1, 19, 1, 1, 1, 1, 26, 2, 7, 2, 8, 5, 1, …)]
Representations
- In words
- forty-one thousand two hundred twenty-one
- Ordinal
- 41221st
- Binary
- 1010000100000101
- Octal
- 120405
- Hexadecimal
- 0xA105
- Base64
- oQU=
- One's complement
- 24,314 (16-bit)
- Scientific notation
- 4.1221 × 10⁴
- As a duration
- 41,221 s = 11 hours, 27 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵μασκαʹ
- Mayan (base 20)
- 𝋥·𝋣·𝋡·𝋡
- Chinese
- 四萬一千二百二十一
- Chinese (financial)
- 肆萬壹仟貳佰貳拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 41,221 = 0
- e — Euler's number (e)
- Digit 41,221 = 0
- φ — Golden ratio (φ)
- Digit 41,221 = 1
- √2 — Pythagoras's (√2)
- Digit 41,221 = 7
- ln 2 — Natural log of 2
- Digit 41,221 = 1
- γ — Euler-Mascheroni (γ)
- Digit 41,221 = 6
Also seen as
UTF-8 encoding: EA 84 85 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.161.5.
- Address
- 0.0.161.5
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.161.5
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 41221 first appears in π at position 65,669 of the decimal expansion (the 65,669ordinal-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.