ℕ atory
Play Now

Properties of the Number 147

One Hundred Forty-Seven

Basics

Value: 146 → 147 → 148

Parity: odd

Prime: No

Previous Prime: 139

Next Prime: 149

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 2

Divisors: 1, 3, 7, 21, 49, 147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10010011

Octal: 223

Duodecimal: 103

Hexadecimal: 93

Square: 21609

Square Root: 12.12435565298214

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

Completely multiplicative with a(prime(k)) = prime(k+1). A3961
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
a(n) = 3·n. A8585
Numbers that are the product of exactly three (not necessarily distinct) primes. A14612
Positive integers which are neither squarefree integers nor prime powers. A126706
a(n) = 4·n + 3. A4767
a(0)=1. a(n) = p(A000120(n)) * ∏m=1..A000120(n) p(m)A163510(n,m), where p(m) is the m-th prime. A163511
a(n) is the number of partitions of n into at most 3 parts; also partitions of n+3 in which the greatest part is 3; also number of unlabeled multigraphs with 3 nodes and n edges. A1399

We use cookies

Some cookies are essential for Natory to function, like keeping you signed in. We also use optional cookies to understand how the app is used and improve it over time. Learn more in our Privacy Policy. You can manage your preferences anytime.