Properties of the Number 48990

Forty-Eight Thousand Nine Hundred Ninety

Basics

Value: 48989 → 48990 → 48991

Parity: even

Prime: No

Previous Prime: 48989

Next Prime: 48991

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 23 × 71

Divisors: 1, 2, 3, 5, 6, 10, 15, 23, 30, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011111101011110

Octal: 137536

Duodecimal: 24426

Hexadecimal: bf5e

Square: 2400020100

Square Root: 221.33684736166276

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

Number of integer partitions of n such that every pair of distinct parts has a different quotient. A325853

Number of integer compositions of n with weighted alternating sum 0. A363626

Relative offsets from the middle point of each row of A233271 & A218616 to the first point where the former exceeds the latter, which apart of case a(3)=-1 is always left of or at the middle point. A233274

Products of 5 distinct primes that are sandwiched between twin prime numbers. A376380

Consecutive states of the linear congruential pseudo-random number generator (31481·s+21139) mod 10⁵ when started at s=1. A384341

Second smallest multiple of n whose digits sum to n. A245065

Catalan numbers with even index (A000108(2·n), n >= 0): a(n) = binomial(4·n, 2·n)/(2·n+1). A48990

a(n) is the number of base-2 lunar primes less than or equal to n. A342678