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Properties of the Number -131950

One Hundred Thirty-One Thousand Nine Hundred Fifty

Basics

Value: -131951 → -131950 → -131949

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 2 × 7 × 13 × 29

Divisors: 1, 2, 5, 7, 10, 13, 14, 25, 26, 29

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -100000001101101110

Octal: -401556

Duodecimal: -6443A

Hexadecimal: -2036e

Square: 17410802500

Square Root: 363.2492257390234

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

T(n,k)=Number of length n+5 0..k arrays with no consecutive six elements summing to more than 3·k. A242144
Sum of next n even interprimes. A75675
Values of i such that φ(x) = 4i+2 has 4 solutions. A51479
a(n) = binomial(n+2,2)*binomial(n+5,2). A105938
Number of 0..2 arrays of length n+5 with sum no more than 6 in any length 6 subsequence (=50% duty cycle). A212227
Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n)2, where a(0) = 2, a(1) = 4, b(0) = 1, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296249
Number of 0..2 arrays of length 6+2·n with sum no more than 2·n in any length 2n subsequence (=50% duty cycle). A212239
Number of length 7+5 0..n arrays with no consecutive six elements summing to more than 3·n. A242151