Number
13,999
13,999 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 31
- Digit product
- 2,187
- Digital root
- 4
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 99,931
- Recamán's sequence
- a(20,718) = 13,999
- Square (n²)
- 195,972,001
- Cube (n³)
- 2,743,412,041,999
- Divisor count
- 2
- σ(n) — sum of divisors
- 14,000
- φ(n) — Euler's totient
- 13,998
Primality
13,999 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 consecutive integers:
6,999 + 7,000
Representations
- In words
- thirteen thousand nine hundred ninety-nine
- Ordinal
- 13999th
- Binary
- 11011010101111
- Octal
- 33257
- Hexadecimal
- 0x36AF
- Base64
- Nq8=
- One's complement
- 51,536 (16-bit)
In other bases
ternary (3)
201012111
quaternary (4)
3122233
quinary (5)
421444
senary (6)
144451
septenary (7)
55546
nonary (9)
21174
undecimal (11)
a577
duodecimal (12)
8127
tridecimal (13)
64ab
tetradecimal (14)
515d
pentadecimal (15)
4234
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιγϡϟθʹ
- Mayan (base 20)
- 𝋡·𝋮·𝋳·𝋳
- Chinese
- 一萬三千九百九十九
- Chinese (financial)
- 壹萬參仟玖佰玖拾玖
In other modern scripts
Eastern Arabic
١٣٩٩٩
Devanagari
१३९९९
Bengali
১৩৯৯৯
Tamil
௧௩௯௯௯
Thai
๑๓๙๙๙
Tibetan
༡༣༩༩༩
Khmer
១៣៩៩៩
Lao
໑໓໙໙໙
Burmese
၁၃၉၉၉
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,999 = 8
- e — Euler's number (e)
- Digit 13,999 = 5
- φ — Golden ratio (φ)
- Digit 13,999 = 1
- √2 — Pythagoras's (√2)
- Digit 13,999 = 2
- ln 2 — Natural log of 2
- Digit 13,999 = 6
- γ — Euler-Mascheroni (γ)
- Digit 13,999 = 6
Also seen as
Prime neighborhood
Unicode codepoint
㚯
CJK Unified Ideograph-36Af
U+36AF
Other letter (Lo)
UTF-8 encoding: E3 9A AF (3 bytes).
Hex color
#0036AF
RGB(0, 54, 175)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.54.175.
- Address
- 0.0.54.175
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.54.175
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 13999 first appears in π at position 127,144 of the decimal expansion (the 127,144ordinal-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.