Live analysis

42,621

42,621 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.).

42,621 (forty-two thousand six hundred twenty-one) is an odd 5-digit number. It is a composite number with 4 divisors, and factors as 3 × 14,207. Written other ways, in hexadecimal, 0xA67D.

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

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

42,609 42,610 42,611 42,612 42,613 42,614 42,615 42,616 42,617 42,618 42,619 42,620 42,621 42,622 42,623 42,624 42,625 42,626 42,627 42,628 42,629 42,630 42,631 42,632 42,633

less more

Properties

Parity: Odd
Digit count: 5
Digit sum: 15
Digit product: 96
Digital root: 6
Palindrome: No
Bit width: 16 bits
Reversed: 12,624
Recamán's sequence: a(73,350) = 42,621
Square (n²): 1,816,549,641
Cube (n³): 77,423,162,249,061
Divisor count: 4
σ(n) — sum of divisors: 56,832
φ(n) — Euler's totient: 28,412
Sum of prime factors: 14,210

Primality

Prime factorization: 3 × 14207

Nearest primes: 42,611 (−10) · 42,641 (+20)

Divisors & multiples

All divisors (4)

1 · 3 · 14207 · 42621

Aliquot sum (sum of proper divisors): 14,211

Factor pairs (a × b = 42,621)

1 × 42621

3 × 14207

First multiples

42,621 · 85,242 (double) · 127,863 · 170,484 · 213,105 · 255,726 · 298,347 · 340,968 · 383,589 · 426,210

Sums & aliquot sequence

As consecutive integers: 21,310 + 21,311 14,206 + 14,207 + 14,208 7,101 + 7,102 + 7,103 + 7,104 + 7,105 + 7,106

Aliquot sequence: 42,621 → 14,211 → 6,329 → 1 → 0 — terminates at zero

Continued fraction of √n

√42,621 = [206; (2, 4, 2, 1, 3, 1, 3, 1, 23, 2, 82, 11, 6, 1, 3, 1, 3, 1, 1, 4, 3, 2, 1, 15, …)]

Representations

In words: forty-two thousand six hundred twenty-one
Ordinal: 42621st
Binary: 1010011001111101
Octal: 123175
Hexadecimal: 0xA67D
Base64: pn0=
One's complement: 22,914 (16-bit)
Scientific notation: 4.2621 × 10⁴
As a duration: 42,621 s = 11 hours, 50 minutes, 21 seconds

In other bases

ternary (3) 2011110120

quaternary (4) 22121331

quinary (5) 2330441

senary (6) 525153

septenary (7) 235155

nonary (9) 64416

undecimal (11) 2a027

duodecimal (12) 207b9

tridecimal (13) 16527

tetradecimal (14) 11765

pentadecimal (15) c966

As an angle

42,621° = 118 × 360° + 141°

141° ≈ 2.461 rad

Compass bearing: SE (southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian): ͵μβχκαʹ
Mayan (base 20): 𝋥·𝋦·𝋫·𝋡
Chinese: 四萬二千六百二十一
Chinese (financial): 肆萬貳仟陸佰貳拾壹

In other modern scripts

Eastern Arabic ٤٢٦٢١ Devanagari ४२६२१ Bengali ৪২৬২১ Tamil ௪௨௬௨௧ Thai ๔๒๖๒๑ Tibetan ༤༢༦༢༡ Khmer ៤២៦២១ Lao ໔໒໖໒໑ Burmese ၄၂၆၂၁

Digit at this position in famous constants

π — Pi (π): Digit 42,621 = 6
e — Euler's number (e): Digit 42,621 = 3
φ — Golden ratio (φ): Digit 42,621 = 1
√2 — Pythagoras's (√2): Digit 42,621 = 0
ln 2 — Natural log of 2: Digit 42,621 = 2
γ — Euler-Mascheroni (γ): Digit 42,621 = 4

Also seen as

Unicode codepoint

꙽

Combining Cyrillic Payerok

U+A67D

Non-spacing mark (Mn)

UTF-8 encoding: EA 99 BD (3 bytes).

Lookup U+A67D on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00A67D

RGB(0, 166, 125)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.166.125.

Address: 0.0.166.125
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.166.125

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

Position in π

The digit sequence 42621 first appears in π at position 62,888 of the decimal expansion (the 62,888ordinal-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.

Look up 42621 on Pi Search ↗