Properties of the Number 959

Nine Hundred Fifty-Nine

Basics

Value: 958 → 959 → 960

Parity: odd

Prime: No

Previous Prime: 953

Next Prime: 967

Digit Sum: 23

Digital Root: 5

Palindrome: Yes

Factorization: 7 × 137

Divisors: 1, 7, 137, 959

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1110111111

Octal: 1677

Duodecimal: 67B

Hexadecimal: 3bf

Square: 919681

Square Root: 30.967725134404045

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) = ∑_k=1..n k·floor(n/k); also ∑_k=1..n σ(k) where σ(n) = sum of divisors of n (A000203). A24916

a(n) = n² - 2. A8865

Number of compositions of n with some part repeated. A261982

Number of integer partitions of n whose product of parts is >= n. A319005

Odd numbers not of form p + 2^k (de Polignac numbers). A6285

Numbers having no more than one 0 in their binary representation. A89633

Lunar primes (formerly called dismal primes) (cf. A087062). A87097

a(n) = 24·n - 1. A183010

Composite numbers such that the square mean of their prime factors is an integer (where the prime factors are taken with multiplicity and the square mean of c and d is sqrt((c²+d²)/2)). A134600

a(n) is the corresponding value of contraharmonic mean B(h) of numbers k such that gcd(k, h) = 1 (k < h) for numbers h from A179877(n) and A179878(n). A179882