Properties of the Number -342225

Three Hundred Forty-Two Thousand Two Hundred Twenty-Five

Basics

Value: -342226 → -342225 → -342224

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 5 ² × 13 ²

Divisors: 1, 3, 5, 9, 13, 15, 25, 27, 39, 45

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1010011100011010001

Octal: -1234321

Duodecimal: -146069

Hexadecimal: -538d1

Square: 117117950625

Square Root: 585

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) = denominator of (ζ(2, 1/4) - ζ(2, n+1/4)), where ζ is the Hurwitz ζ function. A173948

Odd abundant numbers whose abundance is odd. A156942

n in base 8 is a palindromic square. A29806

Primitive abundant numbers (A091191) that are odd squares. A379949

Number of permutations τ of {1,...,n} such that k² + τ(k)² is prime for every k = 1,...,n. A321610

Irregular triangle of odd primitive abundant numbers (A006038) in which row n has numbers with n distinct prime factors. A188439

Squares of number of partitions into distinct parts. A304990

Primitive nondeficient numbers sorted by largest prime factor then by increasing size. Irregular triangle T(n, k), n >= 2, k >= 1, read by rows, row n listing those with largest prime factor = prime(n). A338133

a(n) = sigma₃(n)². A356534

a(n) = A379119(A379121(n)), where A379121 gives those odd squares k for which A379113(k) > 1 and A379119(n) = n/A379113(n). A379124