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142,449

142,449 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.).

142,449 (one hundred forty-two thousand four hundred forty-nine) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 103 × 461. Written other ways, in hexadecimal, 0x22C71.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
24
Digit product
1,152
Digital root
6
Palindrome
No
Bit width
18 bits
Reversed
944,241
Recamán's sequence
a(40,210) = 142,449
Square (n²)
20,291,717,601
Cube (n³)
2,890,534,880,544,849
Divisor count
8
σ(n) — sum of divisors
192,192
φ(n) — Euler's totient
93,840
Sum of prime factors
567

Primality

Prime factorization: 3 × 103 × 461

Nearest primes: 142,433 (−16) · 142,453 (+4)

Divisors & multiples

All divisors (8)
1 · 3 · 103 · 309 · 461 · 1383 · 47483 · 142449
Aliquot sum (sum of proper divisors): 49,743
Factor pairs (a × b = 142,449)
1 × 142449
3 × 47483
103 × 1383
309 × 461
First multiples
142,449 · 284,898 (double) · 427,347 · 569,796 · 712,245 · 854,694 · 997,143 · 1,139,592 · 1,282,041 · 1,424,490

Sums & aliquot sequence

As consecutive integers: 71,224 + 71,225 47,482 + 47,483 + 47,484 23,739 + 23,740 + 23,741 + 23,742 + 23,743 + 23,744 1,332 + 1,333 + … + 1,434
Aliquot sequence: 142,449 49,743 22,121 2,023 433 1 0 — terminates at zero

Continued fraction of √n

√142,449 = [377; (2, 2, 1, 3, 1, 11, 150, 1, 7, 1, 2, 6, 2, 4, 1, 29, 2, 1, 1, 1, 7, 3, 8, 6, …)]

Representations

In words
one hundred forty-two thousand four hundred forty-nine
Ordinal
142449th
Binary
100010110001110001
Octal
426161
Hexadecimal
0x22C71
Base64
Aixx
One's complement
4,294,824,846 (32-bit)
Scientific notation
1.42449 × 10⁵
As a duration
142,449 s = 1 day, 15 hours, 34 minutes, 9 seconds
In other bases
ternary (3) 21020101220
quaternary (4) 202301301
quinary (5) 14024244
senary (6) 3015253
septenary (7) 1132206
nonary (9) 236356
undecimal (11) 9802a
duodecimal (12) 6a529
tridecimal (13) 4cab8
tetradecimal (14) 39cad
pentadecimal (15) 2c319

As an angle

142,449° = 395 × 360° + 249°
249° ≈ 4.346 rad
Compass bearing: WSW (west-southwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρμβυμθʹ
Mayan (base 20)
𝋱·𝋰·𝋢·𝋩
Chinese
一十四萬二千四百四十九
Chinese (financial)
壹拾肆萬貳仟肆佰肆拾玖
In other modern scripts
Eastern Arabic ١٤٢٤٤٩ Devanagari १४२४४९ Bengali ১৪২৪৪৯ Tamil ௧௪௨௪௪௯ Thai ๑๔๒๔๔๙ Tibetan ༡༤༢༤༤༩ Khmer ១៤២៤៤៩ Lao ໑໔໒໔໔໙ Burmese ၁၄၂၄၄၉

Also seen as

Unicode codepoint
𢱱
CJK Unified Ideograph-22C71
U+22C71
Other letter (Lo)

UTF-8 encoding: F0 A2 B1 B1 (4 bytes).

Hex color
#022C71
RGB(2, 44, 113)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.113.

Address
0.2.44.113
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.44.113

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 142,449 and was likely granted around 1872.

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

Position in π

The digit sequence 142449 first appears in π at position 392,900 of the decimal expansion (the 392,900ordinal-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

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