An integer number is said to be a perfect number if its
factors, including 1 but not the number itself, sum to the
number. For example, 6 is a perfect number because 6 = 1 + 2
+ 3. Write a Java program, which finds and prints all
perfect numbers that are less than 1600.
Answer / vinoliya rani.e
If the sum of the divisors exactly equals the number, the
number is called perfect.
For example, 15 has divisors 1, 3 and 5. If we add these
together, we get 1 + 3 + 5 = 9 which is less than 15, so 15
is a deficient number. On the other hand, 12 has divisors 1,
2, 3, 4 and 6. Adding these up gives 1 + 2 + 3 + 4 + 6 = 16
which is greater than 12, so 12 is an abundant number. The
number 6 has divisors 1, 2 and 3. Adding these gives 1 + 2 +
3 = 6, so 6 is a perfect number.
Is This Answer Correct ? | 6 Yes | 3 No |
Q.N.1: DIFFERENCE BETWEEN HUB AND SWITCH? Q.N.2: DIFFERENCE BETWEEN WINNT 4.0SVR & WINDOW2000/2003SVR? Q.N.3: WHAT IS ACTIVE DIRECTORY AND WHAT ARE BENEFITS? Q.N.4: NAME ANY TWO NAME RESOLUTION NETWORK SERVICE? Q.N.5: NAME PRINT SERVICE? Q.N.6: NAME WINDOWS INSTALLER SERVICE? Q.N.7: NAME THE SERVICE RESPONSIBLE FOR MAKING NETWROK BROWSING LIST? Q.N.8: DIFFRENCE BETWEEN IP VERSION 4.0 AND VERSION 6.0? Q.N.9: DIFFRENCE BETWEEN TCP AND UDP PROTOCOL? Q.N.10: WRITE DOWN THE DEFAULT SUBNET MASK OF i. 191.168.0.20 ii. 172.16.0.2 iii. 201.15.16.1 Q.N.11: BENEFITS OF DOING SUBNETTING IN NETWORK? Q.N.12: DEFINE THE FOLLOWING TERMS:  SINGLE COLLISION DOMAIN AND MULTIPLE COLLISION DOMAINS.  SINGLE BROADCAST DOMAIN. Q.N.13: WHAT IS DNS? ROLE OF DNS SERVER IN ACTIVE DIRECTORY? Q.N.14: DIFFERENCE BETWEEN  DNS AND DDNS  IXFR AND AXFR  WIN2000 DNS AND WIN 2003 DNS Q.N.15: WHAT DO YOU MEAN BY GC SERVER? FUNCTION OF G.C SERVER IN ACTIVE DIRECTORY? Q.N.16: NAME THE PROTOCOL AND SERVICE USED IN INTRASITE REPLICATION OF AD DATABASE? Q.N.17: WHEN DO WE NEED TO CREATE DIFFERENT SITES IN ACTIVE DIRECTORY? Q.N.18: WRITE DOWN THE PORT NUMBERS (TCP/UDP)  LDAP(LIGHT WEIGHT DIRECTORY ACCESS PROTOCOL)  DNS (DOMAIN NAME SERVICE)  DHCP (DHYNAMIC HOST CONFIGURATION PROTOCOL)  SMTP (SIMPLE MAIL TRANSFER PROTOCOL)  HTTPS (HYPER TEXT TRANSFER PROTOCOL SERVER)  WINS (WINDOWS INTERNET NAME SERVICE)  KERBEROS  TELNET (TERMINAL EMULATION PROGRAM)  FTP (FILE TRANSFER PROTOCOL)  TFTP (TRIVIAL FILE TRANSFER PROTOCOL)  IP (INTERNET PROTOCOL)  ICMP (INTERNET CONTROL MESSAGE PROTOCOL)  TCP (TRANMISSION CONTROL PROTOCOL)  UDP (USER DATAGRAM PROTOCOL)  RDP (REMOTE DESKTOP PROTOCOL) Q.N.19: CORE COMPONENTS OF MICROSOFT EXCHANGE SERVER 2003? Q.N.20: DEFINE ROUTING AND ADMINISTRATIVE GROUP IN MICROSOFT EXCHANGE SERVER? Q.N.21: DIFFERENCE BETWEEN POP3 AND IMAP4 PROTOCOL? Q.N.22: DIFFERENCE BETWEEN EXCHANGE 5.5 AND EXCHANGE SERVER 2000/2003? Q.N.23: DIFFERENCE BETWEEN FAT AND NTFS? Q.N.24: MAX.NO. OF PARTITIONS IN WINDOWS 2000/XP? Q.N.25: WRITE THE COMMANDS:-  TO DISPLAY ARP CACHE TABLE  TO DISPLAY RESOLVER CACHE TABLE  TO DISPLAY NETBIOS CACHE TABLE  TO TRACE ROUTE  TO DISPLAY PORT STATUS  DNS TROUBLESHOOTING COMMAND  TO DISPLAY EFFECTIVE GROUP POLICY  TO KNOW FSMO ROLES AND USER’S SID  TO VERIFY REPLICATION STATUS OF ACTIVE DIRECTORY DATABASE  TO START AND STOP A PARTICULAR SERVICE Q.N.26: NAME THE ACTIVE DIRECTORY PARTITION? Q.N.27: WHAT DO YOU MEAN BY SINGLE AND MULTIMASTER REPLICATION? STATE ALL FSMO ROLES AND THEIR FUNCTION? Q.N.28: WHAT IS SYSTEM STATE DATA BACKUP? HOW TO RESTORE? Q.N.29: DIFFENIATEBETWEENAUTHORITATIVE AND NON-AUTHORITATIVE RESTORE OF SYSTEM STATE DATA? Q.N.30: DIFFERENCEBETWEEN INCREMENTAL & DIFFERENTIAL BACKUP? Q.N.31: WHAT IS THE BENEFIT OF VSC (VOLUME SHADOW COPY) IN WIN2003SERVER? Q.N.32: DEFINE THE TERM POOLING & SPOOLING IN RESPECT OF PRINTER? Q.N.33: WHICH AUTHENTICATION PROTOCOL IS USED IN WIN2000 /WIN2003 DOMAIN (NATIVE)? Q.N.34: BENFITS OF VPN? DIFFERENCE BETWEEN L2TP AND PPTP PROTOCOL? Q.N.35: DIFFERENCE BETWEEN SECURITY AND DISTRIBUTION GROUP? WHAT DO YOU UNDERSTAND BY GROUP NESTING? Q.N.36: DIFFERENCE BETWEEN OUTLOOK EXPREES AND MICROSOFT OUTLOOK? Q.N.37: WHAT IS THE MAX.LENGTH OF UTP CAT 5 SEGMENT? WHAT IS THE STANDARD COLOR CODING? Q.N.38: FUNCTION OF POINT TO POINT (PPP) PROTOCOL IN WAN CONNECTION? Q.N.39: BASIC DIFFERENCE BETWEEN ISDN AND PSTN LINE? Q.N.40: WHAT DO YOU UNDERSTAND BY COMPACTING NTDS.DIT? WHAT IS THE WAY TO DO THAT?
give me a example of an application of Low severity & high priority.
what are the reseach done by itc brfore launching e-copal
Sorting is not possible by using which of the following methods? (Insertion, Selection, Exchange, Deletion)
why is the scheduling decision needs to be taken when a process switches from running to waiting state.also,if this is because the next process is to be allocated to cpu then why not a scheduling decision taken when a process switches from ready to running state.
what is the difference between composite key and primary key in sap abap
what is the difference between oracle 8i vs 9i
MY QUERY IS REGARDING AS/400. I AM FACING A PROBLEM IN UPDATING A PF COZ IT IS GETTING LOCKED SO I USED CHAIN(N) INSTEAD OF ONLY CHAIN.I ALSO TRIED UPDATE(E) ALONG WITH CHAIN(N),ITS NOT GIVING ANY ERROR BUT AT THE SAME TIME NOT UPDATING THE PF
Explain what is meant by repetition of information and inability to represent information. Explain why each of these properties may indicate a bad relational database design.
WAP in Java to print the format: ABC BCD CDE EFG
my pc frequently rebooted on normal windows xp mode, but didnot rebooted on safemode, its works no rebooting. what problem this, pls solution.
WHO IS STAR....?