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Number

98,009

98,009 is a prime, odd.

98,009 (ninety-eight thousand nine) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x17ED9.

Arithmetic Number Chen Prime Cube-Free Deficient Number Emirp Evil Number Flippable Happy Number Prime Pythagorean Prime Recamán's Sequence Squarefree Twin Prime

Interestingness

Properties

Parity
Odd
Digit count
5
Digit sum
26
Digit product
0
Digital root
8
Palindrome
No
Bit width
17 bits
Reversed
90,089
Flips to (rotate 180°)
60,086
Recamán's sequence
a(35,321) = 98,009
Square (n²)
9,605,764,081
Cube (n³)
941,451,331,814,729
Divisor count
2
σ(n) — sum of divisors
98,010
φ(n) — Euler's totient
98,008

Primality

98,009 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 98009
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 98,009)
1 × 98009
First multiples
98,009 · 196,018 (double) · 294,027 · 392,036 · 490,045 · 588,054 · 686,063 · 784,072 · 882,081 · 980,090

Sums & aliquot sequence

As a sum of two squares: 155² + 272²
As consecutive integers: 49,004 + 49,005

Continued fraction of √n

√98,009 = [313; (15, 1, 1, 1, 6, 1, 2, 2, 2, 4, 5, 4, 1, 1, 2, 3, 89, 6, 1, 1, 2, 1, 1, 1, …)]

Representations

In words
ninety-eight thousand nine
Ordinal
98009th
Binary
10111111011011001
Octal
277331
Hexadecimal
0x17ED9
Base64
AX7Z
One's complement
4,294,869,286 (32-bit)
Scientific notation
9.8009 × 10⁴
As a duration
98,009 s = 1 day, 3 hours, 13 minutes, 29 seconds
In other bases
ternary (3) 11222102222
quaternary (4) 113323121
quinary (5) 11114014
senary (6) 2033425
septenary (7) 555512
nonary (9) 158388
undecimal (11) 676aa
duodecimal (12) 48875
tridecimal (13) 357c2
tetradecimal (14) 27a09
pentadecimal (15) 1e08e

As an angle

98,009° = 272 × 360° + 89°
89° ≈ 1.553 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ϟηθʹ
Mayan (base 20)
𝋬·𝋥·𝋠·𝋩
Chinese
九萬八千零九
Chinese (financial)
玖萬捌仟零玖
In other modern scripts
Eastern Arabic ٩٨٠٠٩ Devanagari ९८००९ Bengali ৯৮০০৯ Tamil ௯௮௦௦௯ Thai ๙๘๐๐๙ Tibetan ༩༨༠༠༩ Khmer ៩៨០០៩ Lao ໙໘໐໐໙ Burmese ၉၈၀၀၉

Digit at this position in famous constants

π — Pi (π)
Digit 98,009 = 1
e — Euler's number (e)
Digit 98,009 = 2
φ — Golden ratio (φ)
Digit 98,009 = 5
√2 — Pythagoras's (√2)
Digit 98,009 = 6
ln 2 — Natural log of 2
Digit 98,009 = 2
γ — Euler-Mascheroni (γ)
Digit 98,009 = 2

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 97,987 (gap of 22)
  • Next prime: 98,011 (gap of 2)

Pair status: twin with 98011.

Unicode codepoint
𗻙
Tangut Ideograph-17Ed9
U+17ED9
Other letter (Lo)

UTF-8 encoding: F0 97 BB 99 (4 bytes).

Hex color
#017ED9
RGB(1, 126, 217)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.126.217.

Address
0.1.126.217
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.126.217

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

Position in π

The digit sequence 98009 first appears in π at position 110,387 of the decimal expansion (the 110,387ordinal-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.

Related reading

  • Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.