Properties of the Number -31438

Thirty-One Thousand Four Hundred Thirty-Eight

Basics

Value: -31439 → -31438 → -31437

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 11 × 1429

Divisors: 1, 2, 11, 22, 1429, 2858, 15719, 31438

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -111101011001110

Octal: -75316

Duodecimal: -1623A

Hexadecimal: -7ace

Square: 988347844

Square Root: 177.30764224928376

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

Expansion of ∏_m>=1 (1+q^m)^-22. A22617

Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any diagonal or antidiagonal neighbor, and containing the value n(n+1)/2-2. A211958

Number of length n strings on the alphabet {0,1,2,3} with digit sum at most 4. A363256