521,412
521,412 is a composite number, even.
521,412 (five hundred twenty-one thousand four hundred twelve) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 3 × 43,451. Its proper divisors sum to 695,244, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7F4C4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 80
- Digital root
- 6
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 214,125
- Square (n²)
- 271,870,473,744
- Cube (n³)
- 141,756,527,455,806,528
- Divisor count
- 12
- σ(n) — sum of divisors
- 1,216,656
- φ(n) — Euler's totient
- 173,800
- Sum of prime factors
- 43,458
Primality
Prime factorization: 2 2 × 3 × 43451
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√521,412 = [722; (11, 3, 1, 1, 4, 1, 5, 4, 1, 1, 130, 1, 2, 1, 3, 1, 1, 23, 8, 1, 1, 1, 1, 6, …)]
Representations
- In words
- five hundred twenty-one thousand four hundred twelve
- Ordinal
- 521412th
- Binary
- 1111111010011000100
- Octal
- 1772304
- Hexadecimal
- 0x7F4C4
- Base64
- B/TE
- One's complement
- 4,294,445,883 (32-bit)
- Scientific notation
- 5.21412 × 10⁵
- As a duration
- 521,412 s = 6 days, 50 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓏺𓏺
- Greek (Milesian)
- ͵φκαυιβʹ
- Chinese
- 五十二萬一千四百一十二
- Chinese (financial)
- 伍拾貳萬壹仟肆佰壹拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 521412, here are decompositions:
- 11 + 521401 = 521412
- 13 + 521399 = 521412
- 19 + 521393 = 521412
- 43 + 521369 = 521412
- 53 + 521359 = 521412
- 83 + 521329 = 521412
- 103 + 521309 = 521412
- 113 + 521299 = 521412
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.244.196.
- Address
- 0.7.244.196
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.244.196
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 521,412 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 521412 first appears in π at position 369,149 of the decimal expansion (the 369,149ordinal-suffix:th 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°.