121,401
121,401 is a composite number, odd.
121,401 (one hundred twenty-one thousand four hundred one) is an odd 6-digit number. It is a composite number with 24 divisors, and factors as 3² × 7 × 41 × 47. Written other ways, in hexadecimal, 0x1DA39.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 104,121
- Square (n²)
- 14,738,202,801
- Cube (n³)
- 1,789,232,558,244,201
- Divisor count
- 24
- σ(n) — sum of divisors
- 209,664
- φ(n) — Euler's totient
- 66,240
- Sum of prime factors
- 101
Primality
Prime factorization: 3 2 × 7 × 41 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,401 = [348; (2, 2, 1, 8, 1, 26, 1, 42, 1, 1, 2, 3, 3, 2, 8, 1, 1, 1, 1, 1, 1, 10, 3, 1, …)]
Representations
- In words
- one hundred twenty-one thousand four hundred one
- Ordinal
- 121401st
- Binary
- 11101101000111001
- Octal
- 355071
- Hexadecimal
- 0x1DA39
- Base64
- Ado5
- One's complement
- 4,294,845,894 (32-bit)
- Scientific notation
- 1.21401 × 10⁵
- As a duration
- 121,401 s = 1 day, 9 hours, 43 minutes, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓏺
- Greek (Milesian)
- ͵ρκαυαʹ
- Mayan (base 20)
- 𝋯·𝋣·𝋪·𝋡
- Chinese
- 一十二萬一千四百零一
- Chinese (financial)
- 壹拾貳萬壹仟肆佰零壹
Also seen as
UTF-8 encoding: F0 9D A8 B9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.218.57.
- Address
- 0.1.218.57
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.218.57
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 121,401 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.