121,625
121,625 is a composite number, odd.
121,625 (one hundred twenty-one thousand six hundred twenty-five) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 5³ × 7 × 139. Written other ways, in hexadecimal, 0x1DB19.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 120
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 526,121
- Square (n²)
- 14,792,640,625
- Cube (n³)
- 1,799,154,916,015,625
- Divisor count
- 16
- σ(n) — sum of divisors
- 174,720
- φ(n) — Euler's totient
- 82,800
- Sum of prime factors
- 161
Primality
Prime factorization: 5 3 × 7 × 139
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,625 = [348; (1, 2, 1, 27, 6, 1, 2, 27, 1, 1, 4, 1, 1, 27, 2, 1, 6, 27, 1, 2, 1, 696)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-one thousand six hundred twenty-five
- Ordinal
- 121625th
- Binary
- 11101101100011001
- Octal
- 355431
- Hexadecimal
- 0x1DB19
- Base64
- AdsZ
- One's complement
- 4,294,845,670 (32-bit)
- Scientific notation
- 1.21625 × 10⁵
- As a duration
- 121,625 s = 1 day, 9 hours, 47 minutes, 5 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκαχκεʹ
- Mayan (base 20)
- 𝋯·𝋤·𝋡·𝋥
- Chinese
- 一十二萬一千六百二十五
- Chinese (financial)
- 壹拾貳萬壹仟陸佰貳拾伍
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.219.25.
- Address
- 0.1.219.25
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.219.25
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 121,625 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.