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148,149

148,149 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.).

148,149 (one hundred forty-eight thousand one hundred forty-nine) is an odd 6-digit number. It is a composite number with 20 divisors, and factors as 3⁴ × 31 × 59. Written other ways, in hexadecimal, 0x242B5.

Arithmetic Number Deficient Number Evil Number Harshad / Niven Kaprekar Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
27
Digit product
1,152
Digital root
9
Palindrome
No
Bit width
18 bits
Reversed
941,841
Recamán's sequence
a(212,118) = 148,149
Square (n²)
21,948,126,201
Cube (n³)
3,251,592,948,551,949
Divisor count
20
σ(n) — sum of divisors
232,320
φ(n) — Euler's totient
93,960
Sum of prime factors
102

Primality

Prime factorization: 3 4 × 31 × 59

Nearest primes: 148,147 (−2) · 148,151 (+2)

Divisors & multiples

All divisors (20)
1 · 3 · 9 · 27 · 31 · 59 · 81 · 93 · 177 · 279 · 531 · 837 · 1593 · 1829 · 2511 · 4779 · 5487 · 16461 · 49383 · 148149
Aliquot sum (sum of proper divisors): 84,171
Factor pairs (a × b = 148,149)
1 × 148149
3 × 49383
9 × 16461
27 × 5487
31 × 4779
59 × 2511
81 × 1829
93 × 1593
177 × 837
279 × 531
First multiples
148,149 · 296,298 (double) · 444,447 · 592,596 · 740,745 · 888,894 · 1,037,043 · 1,185,192 · 1,333,341 · 1,481,490

Sums & aliquot sequence

As consecutive integers: 74,074 + 74,075 49,382 + 49,383 + 49,384 24,689 + 24,690 + 24,691 + 24,692 + 24,693 + 24,694 16,457 + 16,458 + … + 16,465
Aliquot sequence: 148,149 84,171 28,061 2,563 245 97 1 0 — terminates at zero

Continued fraction of √n

√148,149 = [384; (1, 9, 7, 1, 2, 11, 1, 6, 1, 3, 1, 1, 9, 2, 3, 1, 2, 5, 2, 2, 1, 26, 1, 3, …)]

Representations

In words
one hundred forty-eight thousand one hundred forty-nine
Ordinal
148149th
Binary
100100001010110101
Octal
441265
Hexadecimal
0x242B5
Base64
AkK1
One's complement
4,294,819,146 (32-bit)
Scientific notation
1.48149 × 10⁵
As a duration
148,149 s = 1 day, 17 hours, 9 minutes, 9 seconds
In other bases
ternary (3) 21112020000
quaternary (4) 210022311
quinary (5) 14220044
senary (6) 3101513
septenary (7) 1154631
nonary (9) 245200
undecimal (11) a1341
duodecimal (12) 71899
tridecimal (13) 52581
tetradecimal (14) 3bdc1
pentadecimal (15) 2dd69

As an angle

148,149° = 411 × 360° + 189°
189° ≈ 3.299 rad
Compass bearing: S (south)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρμηρμθʹ
Mayan (base 20)
𝋲·𝋪·𝋧·𝋩
Chinese
一十四萬八千一百四十九
Chinese (financial)
壹拾肆萬捌仟壹佰肆拾玖
In other modern scripts
Eastern Arabic ١٤٨١٤٩ Devanagari १४८१४९ Bengali ১৪৮১৪৯ Tamil ௧௪௮௧௪௯ Thai ๑๔๘๑๔๙ Tibetan ༡༤༨༡༤༩ Khmer ១៤៨១៤៩ Lao ໑໔໘໑໔໙ Burmese ၁၄၈၁၄၉

Also seen as

Unicode codepoint
𤊵
CJK Unified Ideograph-242B5
U+242B5
Other letter (Lo)

UTF-8 encoding: F0 A4 8A B5 (4 bytes).

Hex color
#0242B5
RGB(2, 66, 181)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.66.181.

Address
0.2.66.181
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.66.181

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 148,149 and was likely granted around 1873.

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

Position in π

The digit sequence 148149 first appears in π at position 170,841 of the decimal expansion (the 170,841ordinal-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.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.