Live analysis

137,121

137,121 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.).

137,121 (one hundred thirty-seven thousand one hundred twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 3 × 45,707. Written other ways, in hexadecimal, 0x217A1.

Arithmetic Number Binary Palindrome Cube-Free Deficient Number Evil Number Self Number Semiprime Squarefree

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

137,109 137,110 137,111 137,112 137,113 137,114 137,115 137,116 137,117 137,118 137,119 137,120 137,121 137,122 137,123 137,124 137,125 137,126 137,127 137,128 137,129 137,130 137,131 137,132 137,133

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 15
Digit product: 42
Digital root: 6
Palindrome: No
Bit width: 18 bits
Reversed: 121,731
Square (n²): 18,802,168,641
Cube (n³): 2,578,172,166,222,561
Divisor count: 4
σ(n) — sum of divisors: 182,832
φ(n) — Euler's totient: 91,412
Sum of prime factors: 45,710

Primality

Prime factorization: 3 × 45707

Nearest primes: 137,119 (−2) · 137,131 (+10)

Divisors & multiples

All divisors (4)

1 · 3 · 45707 · 137121

Aliquot sum (sum of proper divisors): 45,711

Factor pairs (a × b = 137,121)

1 × 137121

3 × 45707

First multiples

137,121 · 274,242 (double) · 411,363 · 548,484 · 685,605 · 822,726 · 959,847 · 1,096,968 · 1,234,089 · 1,371,210

Sums & aliquot sequence

As consecutive integers: 68,560 + 68,561 45,706 + 45,707 + 45,708 22,851 + 22,852 + 22,853 + 22,854 + 22,855 + 22,856

Aliquot sequence: 137,121 → 45,711 → 22,049 → 1,315 → 269 → 1 → 0 — terminates at zero

Continued fraction of √n

√137,121 = [370; (3, 2, 1, 6, 10, 1, 1, 2, 2, 9, 2, 5, 2, 1, 4, 10, 1, 5, 3, 1, 5, 38, 1, 4, …)]

Representations

In words: one hundred thirty-seven thousand one hundred twenty-one
Ordinal: 137121st
Binary: 100001011110100001
Octal: 413641
Hexadecimal: 0x217A1
Base64: Aheh
One's complement: 4,294,830,174 (32-bit)
Scientific notation: 1.37121 × 10⁵
As a duration: 137,121 s = 1 day, 14 hours, 5 minutes, 21 seconds

In other bases

ternary (3) 20222002120

quaternary (4) 201132201

quinary (5) 13341441

senary (6) 2534453

septenary (7) 1110525

nonary (9) 228076

undecimal (11) 94026

duodecimal (12) 67429

tridecimal (13) 4a54a

tetradecimal (14) 37d85

pentadecimal (15) 2a966

Palindromic in base 2

As an angle

137,121° = 380 × 360° + 321°

321° ≈ 5.603 rad

Compass bearing: NW (northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺
Greek (Milesian): ͵ρλζρκαʹ
Mayan (base 20): 𝋱·𝋢·𝋰·𝋡
Chinese: 一十三萬七千一百二十一
Chinese (financial): 壹拾參萬柒仟壹佰貳拾壹

In other modern scripts

Eastern Arabic ١٣٧١٢١ Devanagari १३७१२१ Bengali ১৩৭১২১ Tamil ௧௩௭௧௨௧ Thai ๑๓๗๑๒๑ Tibetan ༡༣༧༡༢༡ Khmer ១៣៧១២១ Lao ໑໓໗໑໒໑ Burmese ၁၃၇၁၂၁

Also seen as

Unicode codepoint

𡞡

CJK Unified Ideograph-217A1

U+217A1

Other letter (Lo)

UTF-8 encoding: F0 A1 9E A1 (4 bytes).

Lookup U+217A1 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0217A1

RGB(2, 23, 161)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.23.161.

Address: 0.2.23.161
Class: reserved
IPv4-mapped IPv6: ::ffff:0.2.23.161

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 137,121 and was likely granted around 1872.

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

Look up US137,121 on Google Patents ↗ Look up on USPTO ↗