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16,989

16,989 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 Flippable Happy Number Odious Number Pernicious Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
33
Digit product
3,888
Digital root
6
Palindrome
No
Bit width
15 bits
Reversed
98,961
Flips to (rotate 180°)
68,691
Recamán's sequence
a(44,433) = 16,989
Square (n²)
288,626,121
Cube (n³)
4,903,469,169,669
Divisor count
8
σ(n) — sum of divisors
25,920
φ(n) — Euler's totient
9,696
Sum of prime factors
819

Primality

Prime factorization: 3 × 7 × 809

Nearest primes: 16,987 (−2) · 16,993 (+4)

Divisors & multiples

All divisors (8)
1 · 3 · 7 · 21 · 809 · 2427 · 5663 · 16989
Aliquot sum (sum of proper divisors): 8,931
Factor pairs (a × b = 16,989)
1 × 16989
3 × 5663
7 × 2427
21 × 809
First multiples
16,989 · 33,978 (double) · 50,967 · 67,956 · 84,945 · 101,934 · 118,923 · 135,912 · 152,901 · 169,890

Sums & aliquot sequence

As consecutive integers: 8,494 + 8,495 5,662 + 5,663 + 5,664 2,829 + 2,830 + 2,831 + 2,832 + 2,833 + 2,834 2,424 + 2,425 + … + 2,430
Aliquot sequence: 16,989 8,931 3,949 371 61 1 0 — terminates at zero

Representations

In words
sixteen thousand nine hundred eighty-nine
Ordinal
16989th
Binary
100001001011101
Octal
41135
Hexadecimal
0x425D
Base64
Ql0=
One's complement
48,546 (16-bit)
In other bases
ternary (3) 212022020
quaternary (4) 10021131
quinary (5) 1020424
senary (6) 210353
septenary (7) 100350
nonary (9) 25266
undecimal (11) 11845
duodecimal (12) 99b9
tridecimal (13) 796b
tetradecimal (14) 6297
pentadecimal (15) 5079

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιϛϡπθʹ
Mayan (base 20)
𝋢·𝋢·𝋩·𝋩
Chinese
一萬六千九百八十九
Chinese (financial)
壹萬陸仟玖佰捌拾玖
In other modern scripts
Eastern Arabic ١٦٩٨٩ Devanagari १६९८९ Bengali ১৬৯৮৯ Tamil ௧௬௯௮௯ Thai ๑๖๙๘๙ Tibetan ༡༦༩༨༩ Khmer ១៦៩៨៩ Lao ໑໖໙໘໙ Burmese ၁၆၉၈၉

Digit at this position in famous constants

π — Pi (π)
Digit 16,989 = 2
e — Euler's number (e)
Digit 16,989 = 3
φ — Golden ratio (φ)
Digit 16,989 = 2
√2 — Pythagoras's (√2)
Digit 16,989 = 8
ln 2 — Natural log of 2
Digit 16,989 = 9
γ — Euler-Mascheroni (γ)
Digit 16,989 = 7

Also seen as

Unicode codepoint
CJK Unified Ideograph-425D
U+425D
Other letter (Lo)

UTF-8 encoding: E4 89 9D (3 bytes).

Hex color
#00425D
RGB(0, 66, 93)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.66.93.

Address
0.0.66.93
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.66.93

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

Position in π

The digit sequence 16989 first appears in π at position 47,060 of the decimal expansion (the 47,060ordinal-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.