88,420
88,420 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 22
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 2,488
- Recamán's sequence
- a(111,091) = 88,420
- Square (n²)
- 7,818,096,400
- Cube (n³)
- 691,276,083,688,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 185,724
- φ(n) — Euler's totient
- 35,360
- Sum of prime factors
- 4,430
Primality
Prime factorization: 2 2 × 5 × 4421
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- eighty-eight thousand four hundred twenty
- Ordinal
- 88420th
- Binary
- 10101100101100100
- Octal
- 254544
- Hexadecimal
- 0x15964
- Base64
- AVlk
- One's complement
- 4,294,878,875 (32-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵πηυκʹ
- Mayan (base 20)
- 𝋫·𝋡·𝋡·𝋠
- Chinese
- 八萬八千四百二十
- Chinese (financial)
- 捌萬捌仟肆佰貳拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 88,420 = 7
- e — Euler's number (e)
- Digit 88,420 = 4
- φ — Golden ratio (φ)
- Digit 88,420 = 4
- √2 — Pythagoras's (√2)
- Digit 88,420 = 2
- ln 2 — Natural log of 2
- Digit 88,420 = 8
- γ — Euler-Mascheroni (γ)
- Digit 88,420 = 4
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 88420, here are decompositions:
- 23 + 88397 = 88420
- 41 + 88379 = 88420
- 83 + 88337 = 88420
- 131 + 88289 = 88420
- 179 + 88241 = 88420
- 197 + 88223 = 88420
- 251 + 88169 = 88420
- 383 + 88037 = 88420
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.89.100.
- Address
- 0.1.89.100
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.89.100
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 88420 first appears in π at position 160,189 of the decimal expansion (the 160,189ordinal-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.