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Number

98,981

98,981 is a prime, odd.

Arithmetic Number Deficient Number Flippable Happy Number Odious Number Pernicious Number Prime Pythagorean Prime Recamán's Sequence Sophie Germain Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
35
Digit product
5,184
Digital root
8
Palindrome
No
Bit width
17 bits
Reversed
18,989
Flips to (rotate 180°)
18,686
Recamán's sequence
a(101,053) = 98,981
Square (n²)
9,797,238,361
Cube (n³)
969,740,450,210,141
Divisor count
2
σ(n) — sum of divisors
98,982
φ(n) — Euler's totient
98,980

Primality

98,981 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 98981
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 98,981)
1 × 98981
First multiples
98,981 · 197,962 (double) · 296,943 · 395,924 · 494,905 · 593,886 · 692,867 · 791,848 · 890,829 · 989,810

Sums & aliquot sequence

As a sum of two squares: 191² + 250²
As consecutive integers: 49,490 + 49,491

Representations

In words
ninety-eight thousand nine hundred eighty-one
Ordinal
98981st
Binary
11000001010100101
Octal
301245
Hexadecimal
0x182A5
Base64
AYKl
One's complement
4,294,868,314 (32-bit)
In other bases
ternary (3) 12000202222
quaternary (4) 120022211
quinary (5) 11131411
senary (6) 2042125
septenary (7) 561401
nonary (9) 160688
undecimal (11) 68403
duodecimal (12) 49345
tridecimal (13) 3608c
tetradecimal (14) 28101
pentadecimal (15) 1e4db

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ϟηϡπαʹ
Mayan (base 20)
𝋬·𝋧·𝋩·𝋡
Chinese
九萬八千九百八十一
Chinese (financial)
玖萬捌仟玖佰捌拾壹
In other modern scripts
Eastern Arabic ٩٨٩٨١ Devanagari ९८९८१ Bengali ৯৮৯৮১ Tamil ௯௮௯௮௧ Thai ๙๘๙๘๑ Tibetan ༩༨༩༨༡ Khmer ៩៨៩៨១ Lao ໙໘໙໘໑ Burmese ၉၈၉၈၁

Digit at this position in famous constants

π — Pi (π)
Digit 98,981 = 4
e — Euler's number (e)
Digit 98,981 = 0
φ — Golden ratio (φ)
Digit 98,981 = 7
√2 — Pythagoras's (√2)
Digit 98,981 = 9
ln 2 — Natural log of 2
Digit 98,981 = 1
γ — Euler-Mascheroni (γ)
Digit 98,981 = 2

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 98,963 (gap of 18)
  • Next prime: 98,993 (gap of 12)
Unicode codepoint
𘊥
Tangut Ideograph-182A5
U+182A5
Other letter (Lo)

UTF-8 encoding: F0 98 8A A5 (4 bytes).

Hex color
#0182A5
RGB(1, 130, 165)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.130.165.

Address
0.1.130.165
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.130.165

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

Position in π

The digit sequence 98981 first appears in π at position 132,320 of the decimal expansion (the 132,320ordinal-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.