16,464
16,464 is a composite number, even.
16,464 (sixteen thousand four hundred sixty-four) is an even 5-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 3 × 7³. Its proper divisors sum to 33,136, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x4050.
Interestingness
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 21
- Digit product
- 576
- Digital root
- 3
- Palindrome
- No
- Bit width
- 15 bits
- Reversed
- 46,461
- Recamán's sequence
- a(45,031) = 16,464
- Square (n²)
- 271,063,296
- Cube (n³)
- 4,462,786,105,344
- Divisor count
- 40
- σ(n) — sum of divisors
- 49,600
- φ(n) — Euler's totient
- 4,704
- Sum of prime factors
- 32
Primality
Prime factorization: 2 4 × 3 × 7 3
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√16,464 = [128; (3, 4, 1, 9, 2, 4, 1, 3, 5, 5, 21, 5, 5, 3, 1, 4, 2, 9, 1, 4, 3, 256)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- sixteen thousand four hundred sixty-four
- Ordinal
- 16464th
- Binary
- 100000001010000
- Octal
- 40120
- Hexadecimal
- 0x4050
- Base64
- QFA=
- One's complement
- 49,071 (16-bit)
- Scientific notation
- 1.6464 × 10⁴
- As a duration
- 16,464 s = 4 hours, 34 minutes, 24 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιϛυξδʹ
- Mayan (base 20)
- 𝋢·𝋡·𝋣·𝋤
- Chinese
- 一萬六千四百六十四
- Chinese (financial)
- 壹萬陸仟肆佰陸拾肆
Digit at this position in famous constants
- π — Pi (π)
- Digit 16,464 = 7
- e — Euler's number (e)
- Digit 16,464 = 7
- φ — Golden ratio (φ)
- Digit 16,464 = 3
- √2 — Pythagoras's (√2)
- Digit 16,464 = 3
- ln 2 — Natural log of 2
- Digit 16,464 = 1
- γ — Euler-Mascheroni (γ)
- Digit 16,464 = 0
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 16464, here are decompositions:
- 11 + 16453 = 16464
- 13 + 16451 = 16464
- 17 + 16447 = 16464
- 31 + 16433 = 16464
- 37 + 16427 = 16464
- 43 + 16421 = 16464
- 47 + 16417 = 16464
- 53 + 16411 = 16464
Showing the first eight; more decompositions exist.
UTF-8 encoding: E4 81 90 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.64.80.
- Address
- 0.0.64.80
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.64.80
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 16,464 Hz is closest to:
- Concert pitch (A4 = 440 Hz): C10 (16744 Hz, -29¢)
- Scientific pitch (C4 = 256 Hz): C10 (16384 Hz, +8¢)
- Baroque pitch (A4 = 415 Hz): C♯10 (16731.8 Hz, -28¢)
The digit sequence 16464 first appears in π at position 17,998 of the decimal expansion (the 17,998ordinal-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°.