Properties of the Number 150

One Hundred Fifty

Basics

Value: 149 → 150 → 151

Parity: even

Prime: No

Previous Prime: 149

Next Prime: 151

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 ²

Divisors: 1, 2, 3, 5, 6, 10, 15, 25, 30, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110

Octal: 226

Duodecimal: 106

Hexadecimal: 96

Square: 22500

Square Root: 12.24744871391589

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

Primorial base exp-function: digits in primorial base representation of n become the exponents of successive prime factors whose product a(n) is. A276086

Numbers that are not squarefree. Numbers that are divisible by a square greater than 1. The complement of A005117. A13929

The Doudna sequence: write n-1 in binary; power of prime(k) in a(n) is # of 1's that are followed by k-1 0's. A5940

Abundant numbers (sum of divisors of m exceeds 2m). A5101

Average of twin prime pairs. A14574

a(n) = prime(n) - 1. A6093

Niven (or Harshad, or harshad) numbers: numbers that are divisible by the sum of their digits. A5349

a(n) = 3·n. A8585

Numbers all of whose prime divisors are consecutive primes starting at 2. A55932

a(n) = ∑_k=1..n floor(n/k); also ∑_k=1..n d(k), where d = number of divisors (A000005); also number of solutions to x·y = z with 1 <= x,y,z <= n. A6218

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