1,000,155
1,000,155 is a composite number, odd.
1,000,155 (one million one hundred fifty-five) is an odd 7-digit number. It is a composite number with 32 divisors, and factors as 3 × 5 × 13 × 23 × 223. Written other ways, in hexadecimal, 0xF42DB.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 7
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 5,510,001
- Square (n²)
- 1,000,310,024,025
- Cube (n³)
- 1,000,465,072,078,723,875
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,806,336
- φ(n) — Euler's totient
- 468,864
- Sum of prime factors
- 267
Primality
Prime factorization: 3 × 5 × 13 × 23 × 223
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√1,000,155 = [1000; (12, 1, 9, 2, 1, 1, 2, 2, 10, 18, 1, 20, 3, 40, 2, 28, 2, 40, 3, 20, 1, 18, 10, 2, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one million one hundred fifty-five
- Ordinal
- 1000155th
- Binary
- 11110100001011011011
- Octal
- 3641333
- Hexadecimal
- 0xF42DB
- Base64
- D0Lb
- One's complement
- 4,293,967,140 (32-bit)
- Scientific notation
- 1.000155 × 10⁶
- As a duration
- 1,000,155 s = 11 days, 13 hours, 49 minutes, 15 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓁨𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Chinese
- 一百萬零一百五十五
- Chinese (financial)
- 壹佰萬零壹佰伍拾伍
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.15.66.219.
- Address
- 0.15.66.219
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.66.219
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 1,000,155 and was likely granted around 1911.
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.