85,009
85,009 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 22
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 90,058
- Recamán's sequence
- a(114,189) = 85,009
- Square (n²)
- 7,226,530,081
- Cube (n³)
- 614,320,095,655,729
- Divisor count
- 2
- σ(n) — sum of divisors
- 85,010
- φ(n) — Euler's totient
- 85,008
Primality
85,009 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- eighty-five thousand nine
- Ordinal
- 85009th
- Binary
- 10100110000010001
- Octal
- 246021
- Hexadecimal
- 0x14C11
- Base64
- AUwR
- One's complement
- 4,294,882,286 (32-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵πεθʹ
- Mayan (base 20)
- 𝋪·𝋬·𝋪·𝋩
- Chinese
- 八萬五千零九
- Chinese (financial)
- 捌萬伍仟零玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 85,009 = 5
- e — Euler's number (e)
- Digit 85,009 = 6
- φ — Golden ratio (φ)
- Digit 85,009 = 5
- √2 — Pythagoras's (√2)
- Digit 85,009 = 2
- ln 2 — Natural log of 2
- Digit 85,009 = 2
- γ — Euler-Mascheroni (γ)
- Digit 85,009 = 2
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.76.17.
- Address
- 0.1.76.17
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.76.17
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 85009 first appears in π at position 97,448 of the decimal expansion (the 97,448ordinal-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.