48,121
48,121 is a prime, odd.
48,121 (forty-eight thousand one 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, 0xBBF9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 16
- Digit product
- 64
- Digital root
- 7
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 12,184
- Recamán's sequence
- a(65,650) = 48,121
- Square (n²)
- 2,315,630,641
- Cube (n³)
- 111,430,462,075,561
- Divisor count
- 2
- σ(n) — sum of divisors
- 48,122
- φ(n) — Euler's totient
- 48,120
Primality
48,121 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√48,121 = [219; (2, 1, 2, 1, 5, 2, 1, 2, 1, 2, 1, 1, 11, 3, 1, 1, 3, 11, 1, 1, 2, 1, 2, 1, …)]
Period length 31 — the block in parentheses repeats forever.
Representations
- In words
- forty-eight thousand one hundred twenty-one
- Ordinal
- 48121st
- Binary
- 1011101111111001
- Octal
- 135771
- Hexadecimal
- 0xBBF9
- Base64
- u/k=
- One's complement
- 17,414 (16-bit)
- Scientific notation
- 4.8121 × 10⁴
- As a duration
- 48,121 s = 13 hours, 22 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵μηρκαʹ
- Mayan (base 20)
- 𝋦·𝋠·𝋦·𝋡
- Chinese
- 四萬八千一百二十一
- Chinese (financial)
- 肆萬捌仟壹佰貳拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 48,121 = 6
- e — Euler's number (e)
- Digit 48,121 = 9
- φ — Golden ratio (φ)
- Digit 48,121 = 8
- √2 — Pythagoras's (√2)
- Digit 48,121 = 2
- ln 2 — Natural log of 2
- Digit 48,121 = 4
- γ — Euler-Mascheroni (γ)
- Digit 48,121 = 9
Also seen as
UTF-8 encoding: EB AF B9 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.187.249.
- Address
- 0.0.187.249
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.187.249
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 48121 first appears in π at position 147,819 of the decimal expansion (the 147,819ordinal-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.