Number
40,013
40,013 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 8
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 31,004
- Square (n²)
- 1,601,040,169
- Cube (n³)
- 64,062,420,282,197
- Divisor count
- 2
- σ(n) — sum of divisors
- 40,014
- φ(n) — Euler's totient
- 40,012
Primality
40,013 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
40,013
·
80,026
(double)
·
120,039
·
160,052
·
200,065
·
240,078
·
280,091
·
320,104
·
360,117
·
400,130
Sums & aliquot sequence
As a sum of two squares:
83² + 182²
As consecutive integers:
20,006 + 20,007
Representations
- In words
- forty thousand thirteen
- Ordinal
- 40013th
- Binary
- 1001110001001101
- Octal
- 116115
- Hexadecimal
- 0x9C4D
- Base64
- nE0=
- One's complement
- 25,522 (16-bit)
In other bases
ternary (3)
2000212222
quaternary (4)
21301031
quinary (5)
2240023
senary (6)
505125
septenary (7)
224441
nonary (9)
60788
undecimal (11)
28076
duodecimal (12)
1b1a5
tridecimal (13)
1529c
tetradecimal (14)
10821
pentadecimal (15)
bcc8
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵μιγʹ
- Mayan (base 20)
- 𝋥·𝋠·𝋠·𝋭
- Chinese
- 四萬零一十三
- Chinese (financial)
- 肆萬零壹拾參
In other modern scripts
Eastern Arabic
٤٠٠١٣
Devanagari
४००१३
Bengali
৪০০১৩
Tamil
௪௦௦௧௩
Thai
๔๐๐๑๓
Tibetan
༤༠༠༡༣
Khmer
៤០០១៣
Lao
໔໐໐໑໓
Burmese
၄၀၀၁၃
Digit at this position in famous constants
- π — Pi (π)
- Digit 40,013 = 9
- e — Euler's number (e)
- Digit 40,013 = 5
- φ — Golden ratio (φ)
- Digit 40,013 = 9
- √2 — Pythagoras's (√2)
- Digit 40,013 = 1
- ln 2 — Natural log of 2
- Digit 40,013 = 5
- γ — Euler-Mascheroni (γ)
- Digit 40,013 = 1
Also seen as
Prime neighborhood
Unicode codepoint
鱍
CJK Unified Ideograph-9C4D
U+9C4D
Other letter (Lo)
UTF-8 encoding: E9 B1 8D (3 bytes).
Hex color
#009C4D
RGB(0, 156, 77)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.156.77.
- Address
- 0.0.156.77
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.156.77
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 40013 first appears in π at position 76,556 of the decimal expansion (the 76,556ordinal-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.