Number
40,801
40,801 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 10,804
- Recamán's sequence
- a(152,577) = 40,801
- Square (n²)
- 1,664,721,601
- Cube (n³)
- 67,922,306,042,401
- Divisor count
- 2
- σ(n) — sum of divisors
- 40,802
- φ(n) — Euler's totient
- 40,800
Primality
40,801 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
40,801
·
81,602
(double)
·
122,403
·
163,204
·
204,005
·
244,806
·
285,607
·
326,408
·
367,209
·
408,010
Sums & aliquot sequence
As a sum of two squares:
20² + 201²
As consecutive integers:
20,400 + 20,401
Representations
- In words
- forty thousand eight hundred one
- Ordinal
- 40801st
- Binary
- 1001111101100001
- Octal
- 117541
- Hexadecimal
- 0x9F61
- Base64
- n2E=
- One's complement
- 24,734 (16-bit)
In other bases
ternary (3)
2001222011
quaternary (4)
21331201
quinary (5)
2301201
senary (6)
512521
septenary (7)
226645
nonary (9)
61864
undecimal (11)
28722
duodecimal (12)
1b741
tridecimal (13)
15757
tetradecimal (14)
10c25
pentadecimal (15)
c151
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋 𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺
- Greek (Milesian)
- ͵μωαʹ
- Mayan (base 20)
- 𝋥·𝋢·𝋠·𝋡
- Chinese
- 四萬零八百零一
- Chinese (financial)
- 肆萬零捌佰零壹
In other modern scripts
Eastern Arabic
٤٠٨٠١
Devanagari
४०८०१
Bengali
৪০৮০১
Tamil
௪௦௮௦௧
Thai
๔๐๘๐๑
Tibetan
༤༠༨༠༡
Khmer
៤០៨០១
Lao
໔໐໘໐໑
Burmese
၄၀၈၀၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 40,801 = 5
- e — Euler's number (e)
- Digit 40,801 = 6
- φ — Golden ratio (φ)
- Digit 40,801 = 1
- √2 — Pythagoras's (√2)
- Digit 40,801 = 5
- ln 2 — Natural log of 2
- Digit 40,801 = 5
- γ — Euler-Mascheroni (γ)
- Digit 40,801 = 1
Also seen as
Unicode codepoint
齡
CJK Unified Ideograph-9F61
U+9F61
Other letter (Lo)
UTF-8 encoding: E9 BD A1 (3 bytes).
Hex color
#009F61
RGB(0, 159, 97)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.159.97.
- Address
- 0.0.159.97
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.159.97
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 40801 first appears in π at position 69,846 of the decimal expansion (the 69,846ordinal-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.