Live analysis

981,013

981,013 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.).

981,013 (nine hundred eighty-one thousand thirteen) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 11 × 101 × 883. Written other ways, in hexadecimal, 0xEF815.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Recamán's Sequence Sphenic Number Squarefree

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

981,001 981,002 981,003 981,004 981,005 981,006 981,007 981,008 981,009 981,010 981,011 981,012 981,013 981,014 981,015 981,016 981,017 981,018 981,019 981,020 981,021 981,022 981,023 981,024 981,025

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 22
Digit product: 0
Digital root: 4
Palindrome: No
Bit width: 20 bits
Reversed: 310,189
Recamán's sequence: a(324,385) = 981,013
Square (n²): 962,386,506,169
Cube (n³): 944,113,673,576,369,197
Divisor count: 8
σ(n) — sum of divisors: 1,082,016
φ(n) — Euler's totient: 882,000
Sum of prime factors: 995

Primality

Prime factorization: 11 × 101 × 883

Nearest primes: 981,011 (−2) · 981,017 (+4)

Divisors & multiples

All divisors (8)

1 · 11 · 101 · 883 · 1111 · 9713 · 89183 · 981013

Aliquot sum (sum of proper divisors): 101,003

Factor pairs (a × b = 981,013)

1 × 981013

11 × 89183

101 × 9713

883 × 1111

First multiples

981,013 · 1,962,026 (double) · 2,943,039 · 3,924,052 · 4,905,065 · 5,886,078 · 6,867,091 · 7,848,104 · 8,829,117 · 9,810,130

Sums & aliquot sequence

As consecutive integers: 490,506 + 490,507 89,178 + 89,179 + … + 89,188 44,581 + 44,582 + … + 44,602 9,663 + 9,664 + … + 9,763

Aliquot sequence: 981,013 → 101,003 → 17,269 → 2,475 → 2,361 → 791 → 121 → 12 → 16 → 15 → 9 → 4 → 3 → 1 → 0 — terminates at zero

Continued fraction of √n

√981,013 = [990; (2, 5, 1, 10, 4, 1, 1, 6, 2, 2, 1, 1, 1, 6, 25, 1, 10, 1, 1, 1, 1, 1, 5, 1, …)]

Representations

In words: nine hundred eighty-one thousand thirteen
Ordinal: 981013th
Binary: 11101111100000010101
Octal: 3574025
Hexadecimal: 0xEF815
Base64: DvgV
One's complement: 4,293,986,282 (32-bit)
Scientific notation: 9.81013 × 10⁵
As a duration: 981,013 s = 11 days, 8 hours, 30 minutes, 13 seconds

In other bases

ternary (3) 1211211200211

quaternary (4) 3233200111

quinary (5) 222343023

senary (6) 33005421

septenary (7) 11224045

nonary (9) 1754624

undecimal (11) 610060

duodecimal (12) 3b3871

tridecimal (13) 2846a7

tetradecimal (14) 1b7725

pentadecimal (15) 145a0d

As an angle

981,013° = 2,725 × 360° + 13°

13° ≈ 0.227 rad

Compass bearing: NNE (north-northeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋 𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓎆𓏺𓏺𓏺
Greek (Milesian): ͵ϡπαιγʹ
Chinese: 九十八萬一千零一十三
Chinese (financial): 玖拾捌萬壹仟零壹拾參

In other modern scripts

Eastern Arabic ٩٨١٠١٣ Devanagari ९८१०१३ Bengali ৯৮১০১৩ Tamil ௯௮௧௦௧௩ Thai ๙๘๑๐๑๓ Tibetan ༩༨༡༠༡༣ Khmer ៩៨១០១៣ Lao ໙໘໑໐໑໓ Burmese ၉၈၁၀၁၃

Also seen as

Hex color

#0EF815

RGB(14, 248, 21)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.14.248.21.

Address: 0.14.248.21
Class: reserved
IPv4-mapped IPv6: ::ffff:0.14.248.21

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

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 981,013 and was likely granted around 1910.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Look up US981,013 on Google Patents ↗ Look up on USPTO ↗