Properties of the Number -125137

One Hundred Twenty-Five Thousand One Hundred Thirty-Seven

Basics

Value: -125138 → -125137 → -125136

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 17 ² × 433

Divisors: 1, 17, 289, 433, 7361, 125137

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110100011010001

Octal: -364321

Duodecimal: -60501

Hexadecimal: -1e8d1

Square: 15659268769

Square Root: 353.7470847936418

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) = n²*(3·n² - 1)/2. A260810

The first of two consecutive pentagonal numbers the sum of which is equal to the sum of two consecutive primes. A298463

Number of (n+6)X9 0..1 matrices with each 7X7 subblock idempotent. A224583

Numbers k such that 2^ψ(k) == -1 (mod k) where ψ(k) = A001615(k). A291164