125,421
125,421 is a composite number, odd.
125,421 (one hundred twenty-five thousand four hundred twenty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 97 × 431. Written other ways, in hexadecimal, 0x1E9ED.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 80
- Digital root
- 6
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 124,521
- Recamán's sequence
- a(235,322) = 125,421
- Square (n²)
- 15,730,427,241
- Cube (n³)
- 1,972,925,914,993,461
- Divisor count
- 8
- σ(n) — sum of divisors
- 169,344
- φ(n) — Euler's totient
- 82,560
- Sum of prime factors
- 531
Primality
Prime factorization: 3 × 97 × 431
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,421 = [354; (6, 1, 2, 1, 10, 6, 2, 2, 7, 1, 1, 4, 3, 2, 19, 1, 4, 9, 4, 7, 1, 1, 5, 1, …)]
Representations
- In words
- one hundred twenty-five thousand four hundred twenty-one
- Ordinal
- 125421st
- Binary
- 11110100111101101
- Octal
- 364755
- Hexadecimal
- 0x1E9ED
- Base64
- Aent
- One's complement
- 4,294,841,874 (32-bit)
- Scientific notation
- 1.25421 × 10⁵
- As a duration
- 125,421 s = 1 day, 10 hours, 50 minutes, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρκευκαʹ
- Mayan (base 20)
- 𝋯·𝋭·𝋫·𝋡
- Chinese
- 一十二萬五千四百二十一
- Chinese (financial)
- 壹拾貳萬伍仟肆佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.233.237.
- Address
- 0.1.233.237
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.233.237
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 125,421 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°.