122,221
122,221 is a composite number, odd.
122,221 (one hundred twenty-two thousand two hundred twenty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 11 × 41 × 271. Its digits read the same forwards and backwards, so it is a palindromic number. Written other ways, in hexadecimal, 0x1DD6D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 10
- Digit product
- 16
- Digital root
- 1
- Palindrome
- Yes
- Bit width
- 17 bits
- Square (n²)
- 14,937,972,841
- Cube (n³)
- 1,825,733,978,599,861
- Divisor count
- 8
- σ(n) — sum of divisors
- 137,088
- φ(n) — Euler's totient
- 108,000
- Sum of prime factors
- 323
Primality
Prime factorization: 11 × 41 × 271
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,221 = [349; (1, 1, 1, 1, 32, 1, 2, 3, 1, 1, 4, 1, 2, 1, 2, 1, 2, 4, 1, 1, 2, 5, 4, 19, …)]
Representations
- In words
- one hundred twenty-two thousand two hundred twenty-one
- Ordinal
- 122221st
- Binary
- 11101110101101101
- Octal
- 356555
- Hexadecimal
- 0x1DD6D
- Base64
- Ad1t
- One's complement
- 4,294,845,074 (32-bit)
- Scientific notation
- 1.22221 × 10⁵
- As a duration
- 122,221 s = 1 day, 9 hours, 57 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρκβσκαʹ
- Mayan (base 20)
- 𝋯·𝋥·𝋫·𝋡
- Chinese
- 一十二萬二千二百二十一
- Chinese (financial)
- 壹拾貳萬貳仟貳佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.221.109.
- Address
- 0.1.221.109
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.221.109
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 122,221 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.