Properties of the Number -139810

One Hundred Thirty-Nine Thousand Eight Hundred Ten

Basics

Value: -139811 → -139810 → -139809

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 11 × 31 × 41

Divisors: 1, 2, 5, 10, 11, 22, 31, 41, 55, 62

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100010001000100010

Octal: -421042

Duodecimal: -68AAA

Hexadecimal: -22222

Square: 19546836100

Square Root: 373.91175429504756

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = n*(n+1)*(n² + 2)/6. A71239

Expansion of 1/((1+x)*(1-2·x)*(1+x²)). A115451

a(n) is the least positive number which yields a multiple of n when its binary digit string, S(n), is read in any numeric base; a(n) is displayed in base 10. A329000

Expansion of 1/((1-2·x)*(1-x⁴)). A83593

Decimal form of the binary numbers 10, 100010, 1000100010, 10001000100010, 100010001000100010,... A98704

Numbers whose set of base-16 digits is {2,3}. A32816

a(0)=0, a(n)=4a(n-1)+2 for n odd, a(n)=4a(n-1) for n even. A117616

a(n) = 2^A051903(n)*∑_k=0..n-1 2^A268336(n*k): upper bound for A329000(n). A329339

Numbers in which all pairs of consecutive base-4 digits differ by 2. A33082

Expansion of (1-x)/(1-x-x²-x³+x⁴). A52527