40,221
40,221 is a composite number, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 12,204
- Square (n²)
- 1,617,728,841
- Cube (n³)
- 65,066,671,713,861
- Divisor count
- 12
- σ(n) — sum of divisors
- 60,060
- φ(n) — Euler's totient
- 25,920
- Sum of prime factors
- 156
Primality
Prime factorization: 3 2 × 41 × 109
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- forty thousand two hundred twenty-one
- Ordinal
- 40221st
- Binary
- 1001110100011101
- Octal
- 116435
- Hexadecimal
- 0x9D1D
- Base64
- nR0=
- One's complement
- 25,314 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵μσκαʹ
- Mayan (base 20)
- 𝋥·𝋠·𝋫·𝋡
- Chinese
- 四萬零二百二十一
- Chinese (financial)
- 肆萬零貳佰貳拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 40,221 = 9
- e — Euler's number (e)
- Digit 40,221 = 0
- φ — Golden ratio (φ)
- Digit 40,221 = 0
- √2 — Pythagoras's (√2)
- Digit 40,221 = 4
- ln 2 — Natural log of 2
- Digit 40,221 = 2
- γ — Euler-Mascheroni (γ)
- Digit 40,221 = 5
Also seen as
UTF-8 encoding: E9 B4 9D (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.157.29.
- Address
- 0.0.157.29
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.157.29
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 40221 first appears in π at position 145,686 of the decimal expansion (the 145,686ordinal-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.