20,429
20,429 is a composite number, odd.
20,429 (twenty thousand four hundred twenty-nine) is an odd 5-digit number. It is a composite number with 4 divisors, and factors as 31 × 659. Written other ways, in hexadecimal, 0x4FCD.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 15 bits
- Reversed
- 92,402
- Recamán's sequence
- a(86,358) = 20,429
- Square (n²)
- 417,344,041
- Cube (n³)
- 8,525,921,413,589
- Divisor count
- 4
- σ(n) — sum of divisors
- 21,120
- φ(n) — Euler's totient
- 19,740
- Sum of prime factors
- 690
Primality
Prime factorization: 31 × 659
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√20,429 = [142; (1, 13, 3, 2, 1, 2, 6, 3, 1, 1, 1, 1, 8, 1, 1, 1, 1, 3, 6, 2, 1, 2, 3, 13, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- twenty thousand four hundred twenty-nine
- Ordinal
- 20429th
- Binary
- 100111111001101
- Octal
- 47715
- Hexadecimal
- 0x4FCD
- Base64
- T80=
- One's complement
- 45,106 (16-bit)
- Scientific notation
- 2.0429 × 10⁴
- As a duration
- 20,429 s = 5 hours, 40 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵κυκθʹ
- Mayan (base 20)
- 𝋢·𝋫·𝋡·𝋩
- Chinese
- 二萬零四百二十九
- Chinese (financial)
- 貳萬零肆佰貳拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 20,429 = 1
- e — Euler's number (e)
- Digit 20,429 = 7
- φ — Golden ratio (φ)
- Digit 20,429 = 6
- √2 — Pythagoras's (√2)
- Digit 20,429 = 9
- ln 2 — Natural log of 2
- Digit 20,429 = 7
- γ — Euler-Mascheroni (γ)
- Digit 20,429 = 9
Also seen as
UTF-8 encoding: E4 BF 8D (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.79.205.
- Address
- 0.0.79.205
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.79.205
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 20429 first appears in π at position 195,513 of the decimal expansion (the 195,513ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.