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13,989

13,989 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Arithmetic Number Deficient Number Evil Number Happy Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
30
Digit product
1,944
Digital root
3
Palindrome
No
Bit width
14 bits
Reversed
98,931
Recamán's sequence
a(20,738) = 13,989
Square (n²)
195,692,121
Cube (n³)
2,737,537,080,669
Divisor count
4
σ(n) — sum of divisors
18,656
φ(n) — Euler's totient
9,324
Sum of prime factors
4,666

Primality

Prime factorization: 3 × 4663

Nearest primes: 13,967 (−22) · 13,997 (+8)

Divisors & multiples

All divisors (4)
1 · 3 · 4663 · 13989
Aliquot sum (sum of proper divisors): 4,667
Factor pairs (a × b = 13,989)
1 × 13989
3 × 4663
First multiples
13,989 · 27,978 (double) · 41,967 · 55,956 · 69,945 · 83,934 · 97,923 · 111,912 · 125,901 · 139,890

Sums & aliquot sequence

As consecutive integers: 6,994 + 6,995 4,662 + 4,663 + 4,664 2,329 + 2,330 + 2,331 + 2,332 + 2,333 + 2,334
Aliquot sequence: 13,989 4,667 373 1 0 — terminates at zero

Representations

In words
thirteen thousand nine hundred eighty-nine
Ordinal
13989th
Binary
11011010100101
Octal
33245
Hexadecimal
0x36A5
Base64
NqU=
One's complement
51,546 (16-bit)
In other bases
ternary (3) 201012010
quaternary (4) 3122211
quinary (5) 421424
senary (6) 144433
septenary (7) 55533
nonary (9) 21163
undecimal (11) a568
duodecimal (12) 8119
tridecimal (13) 64a1
tetradecimal (14) 5153
pentadecimal (15) 4229

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγϡπθʹ
Mayan (base 20)
𝋡·𝋮·𝋳·𝋩
Chinese
一萬三千九百八十九
Chinese (financial)
壹萬參仟玖佰捌拾玖
In other modern scripts
Eastern Arabic ١٣٩٨٩ Devanagari १३९८९ Bengali ১৩৯৮৯ Tamil ௧௩௯௮௯ Thai ๑๓๙๘๙ Tibetan ༡༣༩༨༩ Khmer ១៣៩៨៩ Lao ໑໓໙໘໙ Burmese ၁၃၉၈၉

Digit at this position in famous constants

π — Pi (π)
Digit 13,989 = 2
e — Euler's number (e)
Digit 13,989 = 4
φ — Golden ratio (φ)
Digit 13,989 = 4
√2 — Pythagoras's (√2)
Digit 13,989 = 1
ln 2 — Natural log of 2
Digit 13,989 = 0
γ — Euler-Mascheroni (γ)
Digit 13,989 = 3

Also seen as

Unicode codepoint
CJK Unified Ideograph-36A5
U+36A5
Other letter (Lo)

UTF-8 encoding: E3 9A A5 (3 bytes).

Hex color
#0036A5
RGB(0, 54, 165)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.54.165.

Address
0.0.54.165
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.54.165

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 13989 first appears in π at position 30,100 of the decimal expansion (the 30,100ordinal-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.