Number

70,121

70,121 is a prime, odd.

Arithmetic Number Chen Prime Cousin Prime Deficient Number Emirp Evil Number Prime Pythagorean Prime Squarefree Twin Prime

Properties

Parity: Odd
Digit count: 5
Digit sum: 11
Digit product: 0
Digital root: 2
Palindrome: No
Bit width: 17 bits
Reversed: 12,107
Square (n²): 4,916,954,641
Cube (n³): 344,781,776,381,561
Divisor count: 2
σ(n) — sum of divisors: 70,122
φ(n) — Euler's totient: 70,120

Primality

70,121 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 70121

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 70,121)

1 × 70121

First multiples

70,121 · 140,242 (double) · 210,363 · 280,484 · 350,605 · 420,726 · 490,847 · 560,968 · 631,089 · 701,210

Sums & aliquot sequence

As a sum of two squares: 160² + 211²

As consecutive integers: 35,060 + 35,061

Representations

In words: seventy thousand one hundred twenty-one
Ordinal: 70121st
Binary: 10001000111101001
Octal: 210751
Hexadecimal: 0x111E9
Base64: ARHp
One's complement: 4,294,897,174 (32-bit)

In other bases

ternary (3) 10120012002

quaternary (4) 101013221

quinary (5) 4220441

senary (6) 1300345

septenary (7) 411302

nonary (9) 116162

undecimal (11) 48757

duodecimal (12) 346b5

tridecimal (13) 25bbc

tetradecimal (14) 1b7a9

pentadecimal (15) 15b9b

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓎆𓎆𓏺
Greek (Milesian): ͵ορκαʹ
Mayan (base 20): 𝋨·𝋯·𝋦·𝋡
Chinese: 七萬零一百二十一
Chinese (financial): 柒萬零壹佰貳拾壹

In other modern scripts

Eastern Arabic ٧٠١٢١ Devanagari ७०१२१ Bengali ৭০১২১ Tamil ௭௦௧௨௧ Thai ๗๐๑๒๑ Tibetan ༧༠༡༢༡ Khmer ៧០១២១ Lao ໗໐໑໒໑ Burmese ၇၀၁၂၁

Digit at this position in famous constants

π — Pi (π): Digit 70,121 = 1
e — Euler's number (e): Digit 70,121 = 3
φ — Golden ratio (φ): Digit 70,121 = 8
√2 — Pythagoras's (√2): Digit 70,121 = 7
ln 2 — Natural log of 2: Digit 70,121 = 2
γ — Euler-Mascheroni (γ): Digit 70,121 = 9

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 70,117 (gap of 4)
Next prime: 70,123 (gap of 2)

Pair status: twin with 70123, cousin with 70117.

Unicode codepoint

𑇩

Sinhala Archaic Digit Nine

U+111E9

Other number (No)

UTF-8 encoding: F0 91 87 A9 (4 bytes).

Lookup U+111E9 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0111E9

RGB(1, 17, 233)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.17.233.

Address: 0.1.17.233
Class: reserved
IPv4-mapped IPv6: ::ffff:0.1.17.233

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

Position in π

The digit sequence 70121 first appears in π at position 40,835 of the decimal expansion (the 40,835ordinal-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 70121 on Pi Search ↗