Live analysis

137,421

137,421 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.).

137,421 (one hundred thirty-seven thousand four hundred twenty-one) is an odd 6-digit number. It is a composite number with 6 divisors, and factors as 3² × 15,269. Written other ways, in hexadecimal, 0x218CD.

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

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

137,409 137,410 137,411 137,412 137,413 137,414 137,415 137,416 137,417 137,418 137,419 137,420 137,421 137,422 137,423 137,424 137,425 137,426 137,427 137,428 137,429 137,430 137,431 137,432 137,433

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 18
Digit product: 168
Digital root: 9
Palindrome: No
Bit width: 18 bits
Reversed: 124,731
Recamán's sequence: a(37,646) = 137,421
Square (n²): 18,884,531,241
Cube (n³): 2,595,131,167,669,461
Divisor count: 6
σ(n) — sum of divisors: 198,510
φ(n) — Euler's totient: 91,608
Sum of prime factors: 15,275

Primality

Prime factorization: 3 ² × 15269

Nearest primes: 137,413 (−8) · 137,437 (+16)

Divisors & multiples

All divisors (6)

1 · 3 · 9 · 15269 · 45807 · 137421

Aliquot sum (sum of proper divisors): 61,089

Factor pairs (a × b = 137,421)

1 × 137421

3 × 45807

9 × 15269

First multiples

137,421 · 274,842 (double) · 412,263 · 549,684 · 687,105 · 824,526 · 961,947 · 1,099,368 · 1,236,789 · 1,374,210

Sums & aliquot sequence

As a sum of two squares: 150² + 339²

As consecutive integers: 68,710 + 68,711 45,806 + 45,807 + 45,808 22,901 + 22,902 + 22,903 + 22,904 + 22,905 + 22,906 15,265 + 15,266 + … + 15,273

Aliquot sequence: 137,421 → 61,089 → 32,031 → 14,249 → 1 → 0 — terminates at zero

Continued fraction of √n

√137,421 = [370; (1, 2, 2, 1, 2, 3, 1, 15, 1, 2, 2, 1, 1, 1, 1, 19, 2, 2, 1, 4, 5, 11, 1, 25, …)]

Representations

In words: one hundred thirty-seven thousand four hundred twenty-one
Ordinal: 137421st
Binary: 100001100011001101
Octal: 414315
Hexadecimal: 0x218CD
Base64: AhjN
One's complement: 4,294,829,874 (32-bit)
Scientific notation: 1.37421 × 10⁵
As a duration: 137,421 s = 1 day, 14 hours, 10 minutes, 21 seconds

In other bases

ternary (3) 20222111200

quaternary (4) 201203031

quinary (5) 13344141

senary (6) 2540113

septenary (7) 1111434

nonary (9) 228450

undecimal (11) 94279

duodecimal (12) 67639

tridecimal (13) 4a71b

tetradecimal (14) 3811b

pentadecimal (15) 2aab6

As an angle

137,421° = 381 × 360° + 261°

261° ≈ 4.555 rad

Compass bearing: W (west)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian): ͵ρλζυκαʹ
Mayan (base 20): 𝋱·𝋣·𝋫·𝋡
Chinese: 一十三萬七千四百二十一
Chinese (financial): 壹拾參萬柒仟肆佰貳拾壹

In other modern scripts

Eastern Arabic ١٣٧٤٢١ Devanagari १३७४२१ Bengali ১৩৭৪২১ Tamil ௧௩௭௪௨௧ Thai ๑๓๗๔๒๑ Tibetan ༡༣༧༤༢༡ Khmer ១៣៧៤២១ Lao ໑໓໗໔໒໑ Burmese ၁၃၇၄၂၁

Also seen as

Unicode codepoint

𡣍

CJK Unified Ideograph-218Cd

U+218CD

Other letter (Lo)

UTF-8 encoding: F0 A1 A3 8D (4 bytes).

Lookup U+218CD on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0218CD

RGB(2, 24, 205)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.24.205.

Address: 0.2.24.205
Class: reserved
IPv4-mapped IPv6: ::ffff:0.2.24.205

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 137,421 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 US137,421 on Google Patents ↗ Look up on USPTO ↗