Properties of the Number -212438

Two Hundred Twelve Thousand Four Hundred Thirty-Eight

Basics

Value: -212439 → -212438 → -212437

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 106219

Divisors: 1, 2, 106219, 212438

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110011110111010110

Octal: -636726

Duodecimal: -A2B32

Hexadecimal: -33dd6

Square: 45129903844

Square Root: 460.9099695168244

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

Triangle read by rows: T(n,k) is the coefficient A_k in the transformation of 1 + x + x² + ... + xⁿ to the polynomial A_k*(x+3)^k for 0 <= k <= n. A248811

Number of nX5 0..2 arrays with no element equal to more than one of its king-move neighbors and with new values introduced in order 0 sequentially upwards. A280856

Becomes prime after exactly 10 iterations of f(x) = sum of prime factors of x. A47829