470,821
470,821 is a composite number, odd.
470,821 (four hundred seventy thousand eight hundred twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 13 × 36,217. Written other ways, in hexadecimal, 0x72F25.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 128,074
- Recamán's sequence
- a(135,738) = 470,821
- Square (n²)
- 221,672,414,041
- Cube (n³)
- 104,368,027,651,197,661
- Divisor count
- 4
- σ(n) — sum of divisors
- 507,052
- φ(n) — Euler's totient
- 434,592
- Sum of prime factors
- 36,230
Primality
Prime factorization: 13 × 36217
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√470,821 = [686; (6, 10, 6, 1, 1, 2, 9, 2, 2, 4, 2, 2, 3, 4, 1, 12, 3, 1, 6, 2, 3, 12, 2, 2, …)]
Period length 58 — the block in parentheses repeats forever.
Representations
- In words
- four hundred seventy thousand eight hundred twenty-one
- Ordinal
- 470821st
- Binary
- 1110010111100100101
- Octal
- 1627445
- Hexadecimal
- 0x72F25
- Base64
- By8l
- One's complement
- 4,294,496,474 (32-bit)
- Scientific notation
- 4.70821 × 10⁵
- As a duration
- 470,821 s = 5 days, 10 hours, 47 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵υοωκαʹ
- Chinese
- 四十七萬零八百二十一
- Chinese (financial)
- 肆拾柒萬零捌佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.7.47.37.
- Address
- 0.7.47.37
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.47.37
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 470,821 and was likely granted around 1891.
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.