Properties of the Number -157211

One Hundred Fifty-Seven Thousand Two Hundred Eleven

Basics

Value: -157212 → -157211 → -157210

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 157211

Divisors: 1, 157211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -100110011000011011

Octal: -463033

Duodecimal: -76B8B

Hexadecimal: -2661b

Square: 24715298521

Square Root: 396.4984237043068

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

Primes of the form p² - p - 1, where p is prime. A91568

Number of bicentered trees with n nodes. A677

Number of triangle-free configurations of type (n₃). A98851

Minimal natural number (in decimal representation) with n prime substrings in base-3 representation (substrings with leading zeros are considered to be nonprime). A217303

Primes of the form p^k - p^k-1 - 1, with p prime and k>1. A122395

Greatest number (in decimal representation) with n nonprime substrings in base-3 representation (substrings with leading zeros are considered to be nonprime). A217113

SanD-68 primes p: such that p+d is also prime and sum of digits A007953(p(p+d)) = d, with d = 68. A307474

Primes of the form 4·n³-5. A200732