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2,989

2,989 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

Properties

Parity
Odd
Digit count
4
Digit sum
28
Digit product
1,296
Digital root
1
Palindrome
No
Bit width
12 bits
Reversed
9,892
Recamán's sequence
a(2,033) = 2,989
Square (n²)
8,934,121
Cube (n³)
26,704,087,669
Divisor count
6
σ(n) — sum of divisors
3,534
φ(n) — Euler's totient
2,520
Sum of prime factors
75

Primality

Prime factorization: 7 2 × 61

Nearest primes: 2,971 (−18) · 2,999 (+10)

Divisors & multiples

All divisors (6)
1 · 7 · 49 · 61 · 427 · 2989
Aliquot sum (sum of proper divisors): 545
Factor pairs (a × b = 2,989)
1 × 2989
7 × 427
49 × 61
First multiples
2,989 · 5,978 (double) · 8,967 · 11,956 · 14,945 · 17,934 · 20,923 · 23,912 · 26,901 · 29,890

Sums & aliquot sequence

As a sum of two squares: 35² + 42²
As consecutive integers: 1,494 + 1,495 424 + 425 + … + 430 207 + 208 + … + 220 37 + 38 + … + 85
Aliquot sequence: 2,989 545 115 29 1 0 — terminates at zero

Representations

In words
two thousand nine hundred eighty-nine
Ordinal
2989th
Roman numeral
MMCMLXXXIX
Binary
101110101101
Octal
5655
Hexadecimal
0xBAD
Base64
C60=
One's complement
62,546 (16-bit)
In other bases
ternary (3) 11002201
quaternary (4) 232231
quinary (5) 43424
senary (6) 21501
septenary (7) 11500
nonary (9) 4081
undecimal (11) 2278
duodecimal (12) 1891
tridecimal (13) 148c
tetradecimal (14) 1137
pentadecimal (15) d44

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵βϡπθʹ
Mayan (base 20)
𝋧·𝋩·𝋩
Chinese
二千九百八十九
Chinese (financial)
貳仟玖佰捌拾玖
In other modern scripts
Eastern Arabic ٢٩٨٩ Devanagari २९८९ Bengali ২৯৮৯ Tamil ௨௯௮௯ Thai ๒๙๘๙ Tibetan ༢༩༨༩ Khmer ២៩៨៩ Lao ໒໙໘໙ Burmese ၂၉၈၉

Digit at this position in famous constants

π — Pi (π)
Digit 2,989 = 7
e — Euler's number (e)
Digit 2,989 = 3
φ — Golden ratio (φ)
Digit 2,989 = 0
√2 — Pythagoras's (√2)
Digit 2,989 = 9
ln 2 — Natural log of 2
Digit 2,989 = 3
γ — Euler-Mascheroni (γ)
Digit 2,989 = 9

Also seen as

Hex color
#000BAD
RGB(0, 11, 173)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.11.173.

Address
0.0.11.173
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.11.173

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

Position in π

The digit sequence 2989 first appears in π at position 6,261 of the decimal expansion (the 6,261ordinal-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.