125,001
125,001 is a composite number, odd.
125,001 (one hundred twenty-five thousand one) is an odd 6-digit number. It is a composite number with 24 divisors, and factors as 3² × 17 × 19 × 43. Written other ways, in hexadecimal, 0x1E849.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 100,521
- Recamán's sequence
- a(236,162) = 125,001
- Square (n²)
- 15,625,250,001
- Cube (n³)
- 1,953,171,875,375,001
- Divisor count
- 24
- σ(n) — sum of divisors
- 205,920
- φ(n) — Euler's totient
- 72,576
- Sum of prime factors
- 85
Primality
Prime factorization: 3 2 × 17 × 19 × 43
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,001 = [353; (1, 1, 4, 16, 4, 1, 1, 706)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-five thousand one
- Ordinal
- 125001st
- Binary
- 11110100001001001
- Octal
- 364111
- Hexadecimal
- 0x1E849
- Base64
- AehJ
- One's complement
- 4,294,842,294 (32-bit)
- Scientific notation
- 1.25001 × 10⁵
- As a duration
- 125,001 s = 1 day, 10 hours, 43 minutes, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓏺
- Greek (Milesian)
- ͵ρκεαʹ
- Mayan (base 20)
- 𝋯·𝋬·𝋪·𝋡
- Chinese
- 一十二萬五千零一
- Chinese (financial)
- 壹拾貳萬伍仟零壹
Also seen as
UTF-8 encoding: F0 9E A1 89 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.232.73.
- Address
- 0.1.232.73
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.232.73
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 125,001 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 125001 first appears in π at position 399,292 of the decimal expansion (the 399,292ordinal-suffix:nd 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.