Number

59,981

59,981 is a prime, odd.

59,981 (fifty-nine thousand nine hundred eighty-one) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xEA4D.

Arithmetic Number Cube-Free Deficient Number Odious Number Prime Pythagorean Prime Recamán's Sequence Sophie Germain Prime Squarefree

Interestingness

★ ★ ★ ★ ☆

7 notable facts · grade B

59,969 59,970 59,971 59,972 59,973 59,974 59,975 59,976 59,977 59,978 59,979 59,980 59,981 59,982 59,983 59,984 59,985 59,986 59,987 59,988 59,989 59,990 59,991 59,992 59,993

less more

Properties

Parity: Odd
Digit count: 5
Digit sum: 32
Digit product: 3,240
Digital root: 5
Palindrome: No
Bit width: 16 bits
Reversed: 18,995
Recamán's sequence: a(53,082) = 59,981
Square (n²): 3,597,720,361
Cube (n³): 215,794,864,973,141
Divisor count: 2
σ(n) — sum of divisors: 59,982
φ(n) — Euler's totient: 59,980

Primality

59,981 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 59981

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 59,981)

1 × 59981

First multiples

59,981 · 119,962 (double) · 179,943 · 239,924 · 299,905 · 359,886 · 419,867 · 479,848 · 539,829 · 599,810

Sums & aliquot sequence

As a sum of two squares: 134² + 205²

As consecutive integers: 29,990 + 29,991

Continued fraction of √n

√59,981 = [244; (1, 10, 7, 2, 4, 37, 2, 5, 97, 1, 3, 1, 1, 2, 2, 1, 11, 4, 7, 3, 2, 3, 2, 19, …)]

Representations

In words: fifty-nine thousand nine hundred eighty-one
Ordinal: 59981st
Binary: 1110101001001101
Octal: 165115
Hexadecimal: 0xEA4D
Base64: 6k0=
One's complement: 5,554 (16-bit)
Scientific notation: 5.9981 × 10⁴
As a duration: 59,981 s = 16 hours, 39 minutes, 41 seconds

In other bases

ternary (3) 10001021112

quaternary (4) 32221031

quinary (5) 3404411

senary (6) 1141405

septenary (7) 336605

nonary (9) 101245

undecimal (11) 41079

duodecimal (12) 2a865

tridecimal (13) 213bc

tetradecimal (14) 17c05

pentadecimal (15) 12b8b

As an angle

59,981° = 166 × 360° + 221°

221° ≈ 3.857 rad

Compass bearing: SW (southwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian): ͵νθϡπαʹ
Mayan (base 20): 𝋧·𝋩·𝋳·𝋡
Chinese: 五萬九千九百八十一
Chinese (financial): 伍萬玖仟玖佰捌拾壹

In other modern scripts

Eastern Arabic ٥٩٩٨١ Devanagari ५९९८१ Bengali ৫৯৯৮১ Tamil ௫௯௯௮௧ Thai ๕๙๙๘๑ Tibetan ༥༩༩༨༡ Khmer ៥៩៩៨១ Lao ໕໙໙໘໑ Burmese ၅၉၉၈၁

Digit at this position in famous constants

π — Pi (π): Digit 59,981 = 8
e — Euler's number (e): Digit 59,981 = 2
φ — Golden ratio (φ): Digit 59,981 = 4
√2 — Pythagoras's (√2): Digit 59,981 = 2
ln 2 — Natural log of 2: Digit 59,981 = 7
γ — Euler-Mascheroni (γ): Digit 59,981 = 7

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 59,971 (gap of 10)
Next prime: 59,999 (gap of 18)

Hex color

#00EA4D

RGB(0, 234, 77)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.234.77.

Address: 0.0.234.77
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.234.77

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

Position in π

The digit sequence 59981 first appears in π at position 58,792 of the decimal expansion (the 58,792ordinal-suffix:nd 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.

Look up 59981 on Pi Search ↗