20,200
20,200 is a composite number, even.
Properties
Primality
Prime factorization: 2 3 × 5 2 × 101
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- twenty thousand two hundred
- Ordinal
- 20200th
- Binary
- 100111011101000
- Octal
- 47350
- Hexadecimal
- 0x4EE8
- Base64
- Tug=
- One's complement
- 45,335 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓂍𓂍𓍢𓍢
- Greek (Milesian)
- ͵κσʹ
- Mayan (base 20)
- 𝋢·𝋪·𝋪·𝋠
- Chinese
- 二萬零二百
- Chinese (financial)
- 貳萬零貳佰
Digit at this position in famous constants
- π — Pi (π)
- Digit 20,200 = 6
- e — Euler's number (e)
- Digit 20,200 = 5
- φ — Golden ratio (φ)
- Digit 20,200 = 0
- √2 — Pythagoras's (√2)
- Digit 20,200 = 8
- ln 2 — Natural log of 2
- Digit 20,200 = 7
- γ — Euler-Mascheroni (γ)
- Digit 20,200 = 8
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 20200, here are decompositions:
- 17 + 20183 = 20200
- 23 + 20177 = 20200
- 53 + 20147 = 20200
- 71 + 20129 = 20200
- 83 + 20117 = 20200
- 137 + 20063 = 20200
- 149 + 20051 = 20200
- 179 + 20021 = 20200
Showing the first eight; more decompositions exist.
UTF-8 encoding: E4 BB A8 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.78.232.
- Address
- 0.0.78.232
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.78.232
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.
The digit sequence 20200 first appears in π at position 67,006 of the decimal expansion (the 67,006ordinal-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.