Number
13,001
13,001 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 5
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 10,031
- Recamán's sequence
- a(48,273) = 13,001
- Square (n²)
- 169,026,001
- Cube (n³)
- 2,197,507,039,001
- Divisor count
- 2
- σ(n) — sum of divisors
- 13,002
- φ(n) — Euler's totient
- 13,000
Primality
13,001 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
Sums & aliquot sequence
As a sum of two squares:
76² + 85²
As consecutive integers:
6,500 + 6,501
Representations
- In words
- thirteen thousand one
- Ordinal
- 13001st
- Binary
- 11001011001001
- Octal
- 31311
- Hexadecimal
- 0x32C9
- Base64
- Msk=
- One's complement
- 52,534 (16-bit)
In other bases
ternary (3)
122211112
quaternary (4)
3023021
quinary (5)
404001
senary (6)
140105
septenary (7)
52622
nonary (9)
18745
undecimal (11)
984a
duodecimal (12)
7635
tridecimal (13)
5bc1
tetradecimal (14)
4a49
pentadecimal (15)
3cbb
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓏺
- Greek (Milesian)
- ͵ιγαʹ
- Mayan (base 20)
- 𝋡·𝋬·𝋪·𝋡
- Chinese
- 一萬三千零一
- Chinese (financial)
- 壹萬參仟零壹
In other modern scripts
Eastern Arabic
١٣٠٠١
Devanagari
१३००१
Bengali
১৩০০১
Tamil
௧௩௦௦௧
Thai
๑๓๐๐๑
Tibetan
༡༣༠༠༡
Khmer
១៣០០១
Lao
໑໓໐໐໑
Burmese
၁၃၀၀၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,001 = 9
- e — Euler's number (e)
- Digit 13,001 = 4
- φ — Golden ratio (φ)
- Digit 13,001 = 6
- √2 — Pythagoras's (√2)
- Digit 13,001 = 8
- ln 2 — Natural log of 2
- Digit 13,001 = 2
- γ — Euler-Mascheroni (γ)
- Digit 13,001 = 5
Also seen as
Prime neighborhood
Unicode codepoint
㋉
Ideographic Telegraph Symbol For October
U+32C9
Other symbol (So)
UTF-8 encoding: E3 8B 89 (3 bytes).
Hex color
#0032C9
RGB(0, 50, 201)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.50.201.
- Address
- 0.0.50.201
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.50.201
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 13001 first appears in π at position 971 of the decimal expansion (the 971ordinal-suffix:st 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.