Compare 819988 vs 819989

Property	819988	819989
Type	composite number	prime
Unique factors	3	1
Total factors	5	1
Prime factorization	2² × 13² × 1213¹	819989¹
Prime factorization	2 × 2 × 13 × 13 × 1213	819989
Divisors count	18	2
Divisors	1, 2, 4, 13, 26, 52, 169, 338, 676, 1213, 2426, 4852, 15769, 31538, 63076, 204997, 409994, 819988	1, 819989
Number of properties	0	3
Chen primes		25270th
Primes		65415th
Twin primes (1st member)		6894th
Roman numberals
Base 2	11001000001100010100₂	11001000001100010101₂
Base 3	1112122210221₃	1112122210222₃
Base 4	3020030110₄	3020030111₄
Base 5	202214423₅	202214424₅
Base 6	25324124₆	25324125₆
Base 7	6653431₇	6653432₇
Base 8	3101424₈	3101425₈
Base 9	1478727₉	1478728₉
Base 10	819988₁₀	819989₁₀
Base 11	510084₁₁	510085₁₁
Base 12	336644₁₂	336645₁₂
Base 13	229300₁₃	229301₁₃
Base 14	174b88₁₄	174b89₁₄
Base 15	112e5d₁₅	112e5e₁₅
Base 16	c8314₁₆	c8315₁₆