28,429
28,429 is a prime, odd.
28,429 (twenty-eight thousand four hundred twenty-nine) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x6F0D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 25
- Digit product
- 1,152
- Digital root
- 7
- Palindrome
- No
- Bit width
- 15 bits
- Reversed
- 92,482
- Recamán's sequence
- a(80,282) = 28,429
- Square (n²)
- 808,208,041
- Cube (n³)
- 22,976,546,397,589
- Divisor count
- 2
- σ(n) — sum of divisors
- 28,430
- φ(n) — Euler's totient
- 28,428
Primality
28,429 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√28,429 = [168; (1, 1, 1, 1, 3, 1, 5, 7, 2, 27, 1, 1, 1, 2, 1, 2, 1, 8, 1, 9, 3, 9, 22, 2, …)]
Representations
- In words
- twenty-eight thousand four hundred twenty-nine
- Ordinal
- 28429th
- Binary
- 110111100001101
- Octal
- 67415
- Hexadecimal
- 0x6F0D
- Base64
- bw0=
- One's complement
- 37,106 (16-bit)
- Scientific notation
- 2.8429 × 10⁴
- As a duration
- 28,429 s = 7 hours, 53 minutes, 49 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵κηυκθʹ
- Mayan (base 20)
- 𝋣·𝋫·𝋡·𝋩
- Chinese
- 二萬八千四百二十九
- Chinese (financial)
- 貳萬捌仟肆佰貳拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 28,429 = 1
- e — Euler's number (e)
- Digit 28,429 = 1
- φ — Golden ratio (φ)
- Digit 28,429 = 7
- √2 — Pythagoras's (√2)
- Digit 28,429 = 3
- ln 2 — Natural log of 2
- Digit 28,429 = 1
- γ — Euler-Mascheroni (γ)
- Digit 28,429 = 4
Also seen as
UTF-8 encoding: E6 BC 8D (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.111.13.
- Address
- 0.0.111.13
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.111.13
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 28429 first appears in π at position 402,987 of the decimal expansion (the 402,987ordinal-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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.