Properties of the Number -137257

One Hundred Thirty-Seven Thousand Two Hundred Fifty-Seven

Basics

Value: -137258 → -137257 → -137256

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 29 × 4733

Divisors: 1, 29, 4733, 137257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -100001100000101001

Octal: -414051

Duodecimal: -67521

Hexadecimal: -21829

Square: 18839484049

Square Root: 370.4821183269174

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) = (7ⁿ - 1)/6. A23000

Period of the sequence of Bell numbers A000110 (mod n). A54767

a(n) = n⁰ + n¹ + ... + n^n-1, or a(n) = (nⁿ-1)/(n-1) with a(0)=0; a(1)=1. A23037

Triangle of Gaussian binomial coefficients [ n,k ] for q = 7. A22171

a(n) = 1111111 in base n. A53716

Strong pseudoprimes to base 7. A20233

Triangle read by rows: T(n,k) = value of the n-th repunit in base (k+1) representation, 1<=k<=n. A125118

Number of sublattices of index n in generic 7-dimensional lattice. A38994

Value of n-th cyclotomic polynomial at n. A70518

Zsigmondy numbers for a = 7, b = 1: Zs(n, 7, 1) is the greatest divisor of 7ⁿ - 1ⁿ (A024075) that is relatively prime to 7^m - 1^m for all positive integers m < n. A64083