124,121
124,121 is a prime, odd.
124,121 (one hundred twenty-four thousand one 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, 0x1E4D9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 16
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 121,421
- Recamán's sequence
- a(237,922) = 124,121
- Square (n²)
- 15,406,022,641
- Cube (n³)
- 1,912,210,936,223,561
- Divisor count
- 2
- σ(n) — sum of divisors
- 124,122
- φ(n) — Euler's totient
- 124,120
Primality
124,121 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√124,121 = [352; (3, 4, 14, 6, 1, 2, 2, 1, 1, 2, 1, 7, 1, 1, 3, 6, 3, 3, 4, 1, 5, 3, 5, 1, …)]
Representations
- In words
- one hundred twenty-four thousand one hundred twenty-one
- Ordinal
- 124121st
- Binary
- 11110010011011001
- Octal
- 362331
- Hexadecimal
- 0x1E4D9
- Base64
- AeTZ
- One's complement
- 4,294,843,174 (32-bit)
- Scientific notation
- 1.24121 × 10⁵
- As a duration
- 124,121 s = 1 day, 10 hours, 28 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρκδρκαʹ
- Mayan (base 20)
- 𝋯·𝋪·𝋦·𝋡
- Chinese
- 一十二萬四千一百二十一
- Chinese (financial)
- 壹拾貳萬肆仟壹佰貳拾壹
Also seen as
UTF-8 encoding: F0 9E 93 99 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.228.217.
- Address
- 0.1.228.217
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.228.217
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 124,121 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 124121 first appears in π at position 339,569 of the decimal expansion (the 339,569ordinal-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.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.